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    • Posted by Ravindar Singh 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 5 answers

    Ayush Vishwakarma?? 5 years, 3 months ago

    Sorry some mistake khushi ,X=-2l because dipole dirn is -ve to +ve hota hai.

    1Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    Ya I had taken the two opposite signs of the charges but Aakash I am still unable to understand....make me understood it properly.....in a different question I am sending it....

    2Thank You

    Aakash Kumar 5 years, 3 months ago

    Electric field is zero at x=2L Suppose at a point d to right of - 2q charge, E=0.Then, 8kq/(L+d)²=2kq/d² =>solving to get d=L x=L+d=L+L=2L Khushi, your answers are even not correct. Charges are of opposite nature.

    1Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    Mera answer L/3 aa rha h or agar diatance center se liya jaye to L/6...Ayush aapka L/root2 kaise aaya...

    2Thank You

    Ayush Vishwakarma?? 5 years, 3 months ago

    L/root 2.

    1Thank You

    ANSWER

    • Posted by Pradeep Solanki 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 3 answers

    Rishu Singh 5 years, 3 months ago

    Amrk us I is fit dj my dj of do

    0Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    An intrinsic property is a property that an object or a thing has of itself, independently of other things, including its context. An extrinsic (or relational) property is a property that depends on a thing's relationship with other things.

    2Thank You

    Yogita Ingle 5 years, 3 months ago

    Intrinsic Property- is a property that depends on the kind or quality of the material.
    - also known as the " Intensive Physical Property".

    Examples of Intrinsic Property:

    1.) Density 
    2.) Texture 
    3.) Odor 
    4.) Taste
    5.) Hardness 
    6.) Boiling point
    7.) Melting point 
    8.) Electrical conductivity 

    1Thank You

    ANSWER

    • Posted by Atul Upadhyay 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Khushi....? ??‍? 5 years, 3 months ago

    It is helical motion not herical motion.......The motion that is produced when one component of the velocity is constant in magnitude and direction (i.e., straight-line motion) while the other component is constant in speed but uniformly varies in direction (i.e., circular motion).

    2Thank You

    ANSWER

    • Posted by Nishanki Mudgal 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Priya Singh 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Gracy Pamai 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Yogita Ingle 5 years, 3 months ago

     

    The Biot Savart's Law we know is given by:

    δB = μ0​​/4π Idlsin(θ)​/r2, where θ is the angle between the line element dl and the radial unit vector r^. 

    Now we know: r^=rr​, using this and the cross product of two vectors we get; δB = 4μ0​​/4π (Id-r)​/r2

    1Thank You

    ANSWER

    • Posted by Khushi....? ??‍? 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 4 answers

    Khushi....? ??‍? 5 years, 3 months ago

    Yes your answers are absolutely correct....thanku so much....

    1Thank You

    Aakash Kumar 5 years, 3 months ago

    Answers are in approximate terms. Little variation is not to be minded.

    1Thank You

    Aakash Kumar 5 years, 3 months ago

    If asked in mole, number of Cu²+liberated will be 96/192000 moles =1/2000 moles =0.0005 moles or 3.011×10^20 Cu²+ ions. My answers perhaps satisfy you

    1Thank You

    Aakash Kumar 5 years, 3 months ago

    Cu²+ +2e=Cu(e=charge carried by one electron) So 2e charge required for liberation of 1 Cu²+. 2 F(1 F=charge carried by one mole of electrons =96500C) Charge required for liberation of 1 mole of Cu2+=63.5g 193000C gives 63.5 g. Here, Q=It=1.6×60C =96C So, mass of Cu²+ liberated=96/193000 ×63.5 g=0.0315 g(approx) Khushi, Please reply whether I am right.

    1Thank You

    ANSWER

    • Posted by Joydeep Ghosh 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Vikas Shukla 5 years, 3 months ago

    It all started with the famous Big Bang Theory. It is supposed that at that time all the the matter particles and anti particles were concentrated at a single point which was highly dense with high temp. Now due to reaction between particles and anti - particles there was a huge explosion and a big sound was produced. ( that might seem odd that how sound was produced in vacuum but Yrr thats hypothetical and this was not known at the time when theory was given.) This huge explosion turned some energy into matter which got converted into stars, planets or galaxies while some energy remained unconverted like lightning and heat. Now coming to our solar system matter got converted into sun and planets. We know that major source of energy for us is Sun. Heat from sun is used to run turbines converting into mechanical energy and also in solar plant converting heat into electricity. We use electricity for lighting the bulbs (energy gets converted into light and heat) this energy gets dissipated into environment and environment gets heated provides energy for reactions and this cycle never ends. This is how energy neither can be created nor be destroyed and how it originated. However it is still unknown that what was in universe before Big Bang. NOTE: • Explanation is based on hypothetical assumptions. • Before u start criticising make sure u have read the answer carefully. @ Yrr ur question was excellent , keep going.

    1Thank You

    Kartika Rajput 5 years, 3 months ago

    Mass is converted to energy.

    0Thank You

    ANSWER

    • Posted by Sunil Kumar 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 3 answers

    Aakash Kumar 5 years, 3 months ago

    Relaxation time is nothing but the time duration between two consecutive collisions between electrons inside a conductor.

    2Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    In the physical sciences, relaxation usually means the return of a perturbed system into equilibrium. Each relaxation process can be categorized by a relaxation time τ. The simplest theoretical description of relaxation as function of time t is an exponential law exp.

    2Thank You

    Vikas Shukla 5 years, 3 months ago

    Relaxation time is time interval between two successive collision of electron inside a conductor :)

    2Thank You

    ANSWER

    • Posted by Preety Th 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Gaurav Seth 5 years, 3 months ago

    (i) when magnet is pushed near a bar magnet then it induces current due to electromagnetic induction. When a bar magnet is pushed into the coil of insulated copper wire connected to a galvanometer, an induced current is set-up in the coil clue to change of magnetic field through it. As a result, galvanometer gives a deflection (say towards left).

    2Thank You

    ANSWER

    • Posted by Abdul Saquib Dakhani 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Joydeep Ghosh 5 years, 3 months ago

    E=k 5×10^-18/r^2

    0Thank You

    ANSWER

    • Posted by Mudit Shukla 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Akshar Pandey 5 years, 3 months ago

    Thanks

    1Thank You

    Yogita Ingle 5 years, 3 months ago

    Angle of declination (α) :

    The angle between the geographical meridian and magnetic meridian is known as angle of declination.

    This angle is smaller at the equator and greater at higher latitudes. At equator, the magnetic meridian will be close to geographic meridian.

    4Thank You

    ANSWER

    • Posted by Ayush Vishwakarma?? 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 5 answers

    Khushi....? ??‍? 5 years, 3 months ago

    Tb to yeh point charge k liye valid nii h

    1Thank You

    Ayush Vishwakarma?? 5 years, 3 months ago

    Galat hai khusi point charge valid ni hai charge ka radius jayada hai distance se.. toh yehh extended charge hua na toh kaise formula ??

    1Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    Agar charge ki value nii h to net force ki value kq1q2/(28)^2....hoga

    1Thank You

    Ayush Vishwakarma?? 5 years, 3 months ago

    Charge value 5c

    1Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    Charge value kya h

    1Thank You

    ANSWER

    • Posted by Aadi Sharma 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 5 answers

    Aakash Kumar 5 years, 3 months ago

    As the temperature increases for a conductor, velocity of free electrons increases(due to increase in KE of electrons) So, relaxation time decreases. (time is inversely related to velocity). Resistivity =m/(ne²t). So since t decrease, resistivity increases.

    1Thank You

    Anish Kumar 5 years, 3 months ago

    Increases

    1Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    As we increase the temperature the relaxation time tau will decrease due to which the resistivity will decreases...

    2Thank You

    As Yadav 5 years, 3 months ago

    As we increase temperature resistivity of conductor increases

    1Thank You

    Khushboo Tiwari 5 years, 3 months ago

    Decreases

    1Thank You

    ANSWER

    • Posted by Mausam Chahal 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Khushi....? ??‍? 5 years, 3 months ago

    A.C. generators or alternators (as they are usually called) operate on the same fundamental principles of electromagnetic induction as D.C. generators. Alternating voltage may be generated by rotating a coil in the magnetic field or by rotating a magnetic field within a stationary coil.

    2Thank You

    ANSWER

    • Posted by Mausam Chahal 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Khushi....? ??‍? 5 years, 3 months ago

    The induced EMF produces a current that opposes the change in flux and hence energy. ... If the induced EMF were in the same direction as the change in flux, then that would give us free energy from no apparent source violating conservation of energy. Thus Lenz's law is in accordance with the law of conservation of energy.

    1Thank You

    Melody Queen 5 years, 3 months ago

    Yes.. It's because whatever mechanical work we do in taking the magnet towards the coil, is stored in the form of energy in the coil..

    1Thank You

    ANSWER

    • Posted by Ayush Vishwakarma?? 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 4 answers

    Vikas Shukla 5 years, 3 months ago

    Awww bura lga tumhe? Yes Yrr lgna bhi chahye by the way jo Tumne kaha na ur nhi your hota I know that everyone knows that but u know there is something called abbreviations. Don't know if u know what are they or not but still my English is better than u . U have done many grammatical mistakes. Moreover do u even know the full form of L. K. G.? Hum Ek no. Ke pagal hi Sahi tumse Kai guna acche h. I have manners which u r lacking. U started all this ****. Sudhar jao beta. Tumhara answer bta rha h ki tum kitne frustrated Ho or jo bhi Tumne likha h... It doesn't makes any sense. Go to hell cause u deserve it (σ≧▽≦)σ loser.????

    2Thank You

    Ayush Vishwakarma?? 5 years, 3 months ago

    Why are you into my questions get out never show me again your name.thumare jaise logo ko jante hai ek no.1 ke pagal hote hai. Apni education badhao bachpan me padhe thee ur ni hota hai babu your hota hai abhi tak ye nhi pta hai toh jaake L.K.G me admission le lo.

    1Thank You

    Vikas Shukla 5 years, 3 months ago

    Yes, Neutron gets converted into proton and the process creates an electron and an electron antineutrino. This entire process occurs naturally and is called BETA DECAY. This condition is seen when there are too many neutron or too many proton. Then to establish the proton - neutron ratio Beta decay occurs. The question u asked is -ve Beta decay.

    1Thank You

    Mr. Badmash 5 years, 3 months ago

    By β-decay process it is possible to change neutron into a electron or proton.

    1Thank You

    ANSWER

    • Posted by Ayush Vishwakarma?? 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 5 answers

    Ayush Vishwakarma?? 5 years, 3 months ago

    Galat hai bakhlol jake aacha se padho aur ha thumara koi help ni chaiye understand mere question pe kabhi bhi ans mt dena you bloody fool. Question kya hai answer kya deta hai uffff!!!!?.

    0Thank You

    Vikas Shukla 5 years, 3 months ago

    Coulomb's law is applicable on charges that have spherical distribution. Charges that are stationary and charges must not overlap. So upgrade ur knowledge as well ayush vishwakarma besides giving.

    0Thank You

    Vikas Shukla 5 years, 3 months ago

    Okay Mr. Einstein, I agree that I didn't knew it but still u need some manner dude! I was just helping u. Moreover before giving me the tag of foolish u must pay some heed to ur writing skills. One more thing better choose ur words wisely because it is a professional platform not ur mohalla. Use ur mind if u have one. Aur haan apne muh pr Ek dhakan lga kr rkha kro har jagah is tarah Gatar Mat khali kiya kro jo gandgi Tumhare andar bhari h bahar aane lgti h. Samjhe gawar kahin ka! :)

    0Thank You

    Ayush Vishwakarma?? 5 years, 3 months ago

    How you take this formula,this formula only valid for point charge .and i say that magnitude of charge this means charge is always in coulomb.you have no mind foolish.you are wrong not make oversmart jitna puccha jaye utna ka hi ans do faltu baat acchi ni lagti hai understand.

    0Thank You

    Vikas Shukla 5 years, 3 months ago

    U haven't wrote the unit of charge. So I am assuming their magnitude is 5 coulomb also the distance in metre as well as radius. Now by using formula kq1q2/r^2 answer is 2.25*10^9 . No, none of the charge will behave like point charge as u can see that their radius is quite large. Point charges are assumed to be at a single point with no mass, area or volume to avoid forces such as gravitational force and all :)

    1Thank You

    ANSWER

    • Posted by Ayush Vishwakarma?? 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 5 answers

    Aakash Kumar 5 years, 3 months ago

    EQUILIBRIUM point where electric field due to charges is null. If two identical charges are kept, it lies at midpoint of straight line joining them.

    1Thank You

    Aakash Kumar 5 years, 3 months ago

    If two charges q1 and q2 are kept apart by distance d, equilibrium distance is given by d/(root under n +1) from charge q1 where n=q2/q1

    1Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    Iska nii pta...??

    1Thank You

    Ayush Vishwakarma?? 5 years, 3 months ago

    Answer toh dedo.

    1Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    That's good or sarvgyaan ka tension mt lo koi nii.....??

    1Thank You

    ANSWER

    • Posted by Amit Tiwari 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Vikas Shukla 5 years, 3 months ago

    U should discuss it with the teacher who gave u the task. It would be much better. U can simply ask for suggestions and consultations.

    1Thank You

    ANSWER

    • Posted by Sombir Sinygh 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Ayush Vishwakarma?? 5 years, 3 months ago

    Q1+ Q2 is equal to zero it is showed that the radius of charges is very small than the distance between two charges.whether Q1 is positive or Q2 is negative and Q1 is negative or Q2 is positive if we add both then net charges is zero. It os showed that charges have equal and oppsite sign.

    1Thank You

    Samreen Bano 5 years, 3 months ago

    It signifies two equal and opposite charges with same magnitude but different directions i.e., q1= -q2.

    1Thank You

    ANSWER

    • Posted by Akash Sharma 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Khushi....? ??‍? 5 years, 3 months ago

    Refer some side books for questions...

    0Thank You

    ANSWER

    • Posted by Kanishka Talyan 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 5 answers

    Shristi Jaglan 5 years, 3 months ago

    No it is not true because like charges repel each other

    2Thank You

    Ayush Vishwakarma?? 5 years, 3 months ago

    Never the like charges Can attract each other It will only repel each other in any condition.

    2Thank You

    Tanvi Sharma 5 years, 3 months ago

    May not be true always

    0Thank You

    Shivendra Singh Yadav 5 years, 3 months ago

    False

    0Thank You

    Muhammed Suhail 5 years, 3 months ago

    Yes

    1Thank You

    ANSWER

    • Posted by Sanika Mali 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 4 answers

    Aakash Kumar 5 years, 3 months ago

    Yes you are correct. Thanks for pointing out my mistake.

    1Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    I think aakash u should check it 1:1 is correct I had checked it several times....

    1Thank You

    Aakash Kumar 5 years, 3 months ago

    Energy stored in capacitor =1/2CV² Energy dissipated in charging capacitor =CV² Ratio=1:2

    1Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    Yes 1:1...

    1Thank You

    ANSWER

    • Posted by Samridhi Kaushik 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Mausam Chahal 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Khushi....? ??‍? 5 years, 3 months ago

    One characteristic of a conductor at electrostatic equilibrium is that the electric field anywhere beneath the surface of a charged conductor is zero. ... The electric field lines either begin or end upon a charge and in the case of a conductor, the charge exists solely upon its outer surface.

    2Thank You

    ANSWER

    • Posted by Mausam Chahal 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Yogita Ingle 5 years, 3 months ago

    An electric dipole is a pair of equal and opposite point charges q and –q, separated by a distance of 2a.

    • Direction from –q to q is the direction of the dipole.
    • The mid-point of locations of –q and q is called the center of the dipole.
    • Total charge of an electric dipole is zero but since the charges are separated by some distance the electric field do not cancel out.
    • Dipole moment is the mathematical product of the separation of the ends of a dipole and the magnitude of the charges (2a x q).
    • Some molecules like H2O, have permanent dipole moment as their charges do not coincide. These molecules are called polar molecules.

    3Thank You

    ANSWER

    • Posted by Ayush Vishwakarma?? 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 4 answers

    Aakash Kumar 5 years, 3 months ago

    Shorten it by yourself

    0Thank You

    Ayush Vishwakarma?? 5 years, 3 months ago

    It's to long.

    0Thank You

    Aakash Kumar 5 years, 3 months ago

    Put a charge Q = - 4q/9 at a distance l/3 to the left of charge Q. Am I right???

    0Thank You

    Aakash Kumar 5 years, 3 months ago

    When two charges nq and q are kept apart by a distance d, for equilibrium of all charges, we put a charge Q= - nq/(root under n+1)² at a distance =d/root under n+1 left to charge q nq Q q <——————————<———————> d-x x Here n=4, Pulling in formula Q= -4q/(2+1)²= - 4q/9 x= l/2+1=l/3

    0Thank You

    ANSWER

    • Posted by Ayush Vishwakarma?? 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 5 answers

    Samreen Bano 5 years, 3 months ago

    Ans . Is q/6€°

    0Thank You

    Khushi....? ??‍? 5 years, 3 months ago

    The charge is kept at a corner of a cube so it can be visualised as being at the centre of a cube of double its side i.e.,comprising of 8 such cubes kept besides and top of each other. Thus contribution to each smaller cube will be q/8€°.

    2Thank You

    Aakash Kumar 5 years, 3 months ago

    Three faces of cube has flux equal to Q/24€° and other three faces has 0 electric flux. If this is also wrong, confirm from any other source.

    1Thank You

    Ayush Vishwakarma?? 5 years, 3 months ago

    Galat hai

    1Thank You

    Aakash Kumar 5 years, 3 months ago

    If a charge is kept at corner of cube, then 8 such cubes are necessary to enclose it completely.(4 in upper plane and 4 on lower) So the flux through new cube=Q/€°(gauss law) So flux through 8 identical such cubes=Q/€° Flux through one cube=Q/8€°=answer

    1Thank You

    ANSWER

    • Posted by Jayanti Panda 5 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Khushi....? ??‍? 5 years, 3 months ago

    Rutherford model, also called Rutherford atomic model, nuclear atom, or planetary model of the atom, description of the structure of atoms proposed (1911) by the New Zealand-born physicist Ernest Rutherford. The model described the atom as a tiny, dense, positively charged core called a nucleus, in which nearly all the mass is concentrated, around which the light, negative constituents, called electrons, circulate at some distance, much like planets revolving around the Sun.

    1Thank You

    ANSWER

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