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Define electric dipole moment. Is it scalar or a vector

Posted by Kanwalpreet Singh 6 years, 5 months ago

CBSE > Class 12 > Physics

4 answers

Khuskaran Sidhu 6 years, 5 months ago

Vector,direction from -ve to +ve

Khuskaran Sidhu 6 years, 5 months ago

2a × | q |

Hiren Patel 6 years, 5 months ago

It is a measure of the strength of electric dipole .it is vector quantity whose magnitude is equal to the product of the magnetic of either charge and the distance between them.

Yogita Ingle 6 years, 5 months ago

Electric dipole moment : The strength of an electric dipole is measured by the quantity electric dipole moment. Its magnitude is equal to the product of the magnitude of either charge and the distance between the two charges. Electric dipole moment is a vector quantity.

ANSWER

Biot savart law?

Posted by Arbazz Sidiqqui 6 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is the cause of charging?

Posted by Pragyesh Singh 6 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Khuskaran Sidhu 6 years, 5 months ago

Transference of electrons from 1 body to another

Pragati Saini 6 years, 5 months ago

The "electron transfer from one body to another" is the cause of charging a body. The reason of charging is the process of electron transfer. A body can induce charge from a charged body when comes in contact or may be in vicinity.

ANSWER

Rrlation between drift velocity and electric current

Posted by Anish Pandey 6 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Isha Raj 6 years, 5 months ago

I=nae(Vd)

Nishu Goyal 6 years, 5 months ago

I =Ane×drift velocity

ANSWER

Ampere circuital law questions

Posted by Sreemanti Banerjee 6 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why rubbing of hands produce heat

Posted by Arun Santhosh 6 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Nav Kamboj Status Creations 6 years, 5 months ago

By rubbing hands friction force is develop b/w them and then friction converts into energy and that is produced as heat.

Rohit Singh 6 years, 5 months ago

Do you ever listen about word friction The same thing in rubbing of ✋ it generally produces heat and that's it

Devesh Kumar 6 years, 5 months ago

Z1

ANSWER

Khirchof law question

Posted by Entertainment Pubg Lovers 6 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Anshu Dwivedi 6 years, 5 months ago

Kirchoff law is a important combination of different type of resistor. It is solve by junction and loop method that's all.It is a special type of resistor

ANSWER

Describe oersted experiment and explain the law by which direction of the magnetic field produced can be accounted

Posted by Niwarak Singla 6 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Arun Santhosh 6 years, 5 months ago

Oersted experiments conclusion : only moving charges produce magnetic field The law which determines direction of magnetic field is lenz law .

ANSWER

Who thinks physics is difficult subject ❓ I don't, its really easy,just u need to make interest into it ?

Posted by Khuskaran Sidhu 5 years, 10 months ago

CBSE > Class 12 > Physics

4 answers

Vinay Gautam 6 years, 5 months ago

I think that it is too much of difficult for me

Nav Kamboj Status Creations 6 years, 5 months ago

Yes ur are right so???

B S Jangra Jangra 6 years, 5 months ago

Don't think you are intelligent in physics

Pranav Sharma 6 years, 5 months ago

Tereko kisne pucha m*?

ANSWER

Why moving coil galvanometer shows no deflection when a.c pass through it ?

Posted by Rohit Singh 6 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Mudit Kashyap 6 years, 5 months ago

Beacuse change polarity

Shivansh Dubey 6 years, 5 months ago

Because for ac the walength for one complete cycle is 0 that is why it shows no deflection

Utkarsh Goel 6 years, 5 months ago

Due to inertia of rest.as frequent change of porality occurs(i.e + & -)

ANSWER

What is formula of gauss's law

Posted by Amit Yadav 6 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Khuskaran Sidhu 6 years, 5 months ago

Øe= q/€ °

Rohit Singh 6 years, 5 months ago

You ist of all stop asking such foolish questions everybody knows about it and ask some interesting and reasoning questions

ANSWER

What is Bohr's magneton

Posted by Nikhil Verma 6 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Khuskaran Sidhu 6 years, 5 months ago

______ B.M.=√ n(n+2)

Akash Kumar Sahu 6 years, 5 months ago

Bhor magneton is defined as the magnetic dipole moment associated with the electron revolving in the first orbit of hydrogen atom.

ANSWER

why is the core of a transformer laminated?

Posted by Šąhîł Phogat 6 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Pragyesh Singh 6 years, 5 months ago

It is only for reducing leakage Of current

Sidra Khanam 6 years, 5 months ago

To minimize eddy currents

Řøhăň Řąjpůť ✌️✊ 6 years, 5 months ago

in order to minimise energy loss due to eddy currents the core of a transformer laminated.

ANSWER

एक इलेक्ट्रान 0.5 न्यूटन/एम्पियर मीटर के चुम्बकीय क्षेत्र में 3×10^7 मीटर/सेकेंड की चाल से एक वृत्त में घूम रहा है। वृत्त की त्रिज्या तथा इलेक्ट्रान की गतिज ऊर्जा ग्यात कीजिए।

Posted by Seema Rohit 6 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Electrolytic cell is in the syllabus of 2019 -2020

Posted by Aman Kundu 6 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Khuskaran Sidhu 6 years, 5 months ago

Yah❗❗❗❗

Moni Sheoran@2#3% 6 years, 5 months ago

yes,these are in chemistry syallbus,in electrochemistry

Kashish Rana 6 years, 5 months ago

Yes of course

ANSWER

What is susceptibility

Posted by Prabal Sharma 6 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Anshu Dwivedi 6 years, 5 months ago

M/H

Rohit Singh 6 years, 5 months ago

It is the tendancy of material to get magnetise when magnetic fields pass throgh it .The magnism of diemagnetic materials are less and ferromagnetic have high

Pragati Saini 6 years, 5 months ago

The magnetic susceptibility of a material, commonly symbolized by χm, is equal to the ratio of the magnetization M within the material to the applied magnetic field strength H, or χm = M/H. ... Paramagnetic susceptibility is inversely proportional to the value of the absolute temperature.

ANSWER

How to write proper derivation asked in exam

Posted by Suraj Tomar 6 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Rohit Singh 6 years, 5 months ago

Ist of all try to understand the concepts behind that derivation and think about it and then go for writing without seeing the derivation believe me you don't need to practice so many times.Because you not crammed it this time

Prabal Sharma 6 years, 5 months ago

By wtiting it

ANSWER

Why some constants have a value but some constants are put equal to 1 ? Ex- F=kqvBsin(angle) & V=RI

Posted by Gayatri Meena 6 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Abhishek Abhishek 6 years, 5 months ago

Its done after experimenting and taking the SI UNITS into considerations.

Khuskaran Sidhu 6 years, 5 months ago

From experiments & calculations, or sometimes assumed I think?

Vigo Videos 6 years, 5 months ago

P

ANSWER

What is lens makers formula

Posted by Suman Rani 6 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Moni Sheoran@2#3% 6 years, 5 months ago

1/f=[mu-1][1/R-1/r] where R & r are radii of curvature and mu=refr. index of material of lens w.r.t. medium in which lens placed

Pragati Gola 6 years, 5 months ago

This formula used by makers to set it's focal length (1/F)=(n-1)(1/R1 - 1/R2)

Gayatri Meena 6 years, 5 months ago

1 by f equals to (mu-1 )into ( 1/R1-1/R2)

ANSWER

A 9 v battery is connected in series with a resistor.the terminal voltage is found to be 8 v.current through the circuit is messured as 5 a .what is the internal resistance of the battery

Posted by Jugnu Khan 6 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Abhi Patidar 6 years, 5 months ago

GIVEN-V=8v , E=9v , I = 5a , r=???? We know that =- (V=E-Ir) Therfore. ==-{8=9 - 5r} ==-{ 8 - 9=r ÷5 } ==-{1/5=r}. ( ― to― cancel)

ANSWER

Source of electromagnetic wave

Posted by Lav Mishra 6 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Rohit Singh 6 years, 5 months ago

You are able to see this world because of electromagnetic waves .the best example is light

Moni Sheoran@2#3% 6 years, 5 months ago

accerlating charge

Khuskaran Sidhu 6 years, 5 months ago

Sun, visible & infrared waves

ANSWER

How much is the resistance of an air-gap?

Posted by Ɽøⱨł₮ ₲Ʉ₱₮₳ 6 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Moni Sheoran@2#3% 6 years, 5 months ago

how.??

Khuskaran Sidhu 6 years, 5 months ago

r= ∆V/∆I

ANSWER

Mass is vector quantity

Posted by Abhishek Chandan 6 years, 5 months ago

CBSE > Class 12 > Physics

4 answers

Moni Sheoran@2#3% 6 years, 5 months ago

no ,mass is not a vector quantity

Vinay Gautam 6 years, 5 months ago

No it is not a vector quantity

Khuskaran Sidhu 6 years, 5 months ago

Weight is. But not mass

Chetan Ghodela 6 years, 5 months ago

Not a vector

ANSWER

What is dimagnetic

Posted by P K Verma 6 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Anshu Dwivedi 6 years, 5 months ago

Do not show colour property. With unpaired electron

Khuskaran Sidhu 6 years, 5 months ago

Has no unpaired electrons

Yogita Ingle 6 years, 5 months ago

Diamagnetic substances are those which have a tendency to move from stronger part to the weaker part of the external magnetic field. We can also say that the diamagnetic substances get repelled by a magnet.

ANSWER

What is for Relation magnetic field and electric field in em

Posted by Sutikshan Mehra 6 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Moni Sheoran@2#3% 6 years, 5 months ago

both are perpendicular each other

Nandini Jindal 6 years, 5 months ago

E=Bv Where v :-speed of particle

Khuskaran Sidhu 6 years, 5 months ago

E=Bc

ANSWER

Show two curren carring conductor wire 1 and 2. Find the magnitude anf direction of magnetic field at point P,Q and R

Posted by Anjali Behera 6 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Khuskaran Sidhu 6 years, 5 months ago

What we have to show❓

Ajay Singh Ajay Singh 6 years, 5 months ago

But where the point P,Q,R are present??

ANSWER

What r super conductor and give one application

Posted by Kashish Goyal 6 years, 5 months ago

CBSE > Class 12 > Physics

4 answers

Kashish Goyal 6 years, 5 months ago

Wrong answer

Ashish Singh 6 years, 5 months ago

Superconductor are. Used in super conductor

S J 6 years, 5 months ago

Materials having zero resistivity are superconductors.these are important electronic devices

Ashish Kumar 6 years, 5 months ago

super conductor whose conductor whish ha r Resistance is zero and it fully conduct the fully current without any power loss any metal at very low temperature like 0.4 kelvin it behaving super conducter.

ANSWER

Nucleus

Posted by Lalit Kumar 6 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Moni Sheoran@2#3% 6 years, 5 months ago

heavly dense centre of atom having proton & neutron.

ANSWER

With the help of a diagram show why the electric field between the plates of a capacitor reduces on intoducing dielectric slab. Define the dielectric constant on the basis of these fields

Posted by Tanish Gupta 6 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Khuskaran Sidhu 6 years, 5 months ago

K = E°-Ep/E°

ANSWER

Practical exam will internal or external in this session 2019-2020 for class 10th 12th students?

Posted by Yash Pant 6 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Moni Sheoran@2#3% 6 years, 5 months ago

may be external

Shivendra Singh 6 years, 5 months ago

Hii I am student of 12 and belong to up can My exam is external or internal please reply soon

Sudanshu Thakur Thakur 6 years, 5 months ago

In this session it's internal but external for Delhi region

ANSWER

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