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Find the electric field intensity due to a conducting sphere and a non conducting solid sphere also plot the graph between electric field and distance of point from the centre

Posted by Ayan Ahmad 2 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Two point charges of 12ûC and 8ûC are 10cm apart. The work done in bringing them 4cm close is=?

Posted by Arun Singh 2 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Deepak Meena 2 years, 3 months ago

We can use the formula for electrostatic potential energy to calculate the work done in bringing the two point charges closer. The formula for electrostatic potential energy is: U = k*q1*q2/r where U is the electrostatic potential energy, k is Coulomb's constant (= 9 x 10^9 Nm^2/C^2), q1 and q2 are the magnitudes of the charges in Coulombs, and r is the distance between the charges in meters. Initially, the charges are 10 cm = 0.1 m apart, so the initial distance r1 is 0.1 m. The final distance r2 when the charges are 4 cm = 0.04m apart. The magnitudes of the charges are q1 = 12 uC = 12 x 10^-6 C, and q2 = 8 uC = 8 x 10^-6 C. Using the formula and plugging in the values, we get: U1 = k*q1*q2/r1 = (9 x 10^9 Nm^2/C^2)(12 x 10^-6 C)(8 x 10^-6 C)/(0.1 m) ≈ 8.64 x 10^-5 J U2 = k*q1*q2/r2 = (9 x 10^9 Nm^2/C^2)(12 x 10^-6 C)(8 x 10^-6 C)/(0.04 m) ≈ 3.456 x 10^-4 J The change in electric potential energy ΔU is U2 - U1 = 2.594 x 10^-4 J. Therefore, the work done in bringing the charges 4cm closer is 2.594 x 10^-4 Joules.

ANSWER

is curent density scalar or vector

Posted by Nitesh Kumar 2 years, 3 months ago

CBSE > Class 12 > Physics

5 answers

Anshul Pratap Singh 2 years, 2 months ago

It is tensor quantity

Amarjeet Sharma 2 years, 3 months ago

Current is scalar because it is not obey law of vector addition, it is obey KRICHOPS law.

Sneha Mamodia 2 years, 3 months ago

Sometimes it work as scalar and sometimes as vector

Kirpa Gupta 2 years, 3 months ago

No it's vector quantity

Kirpa Gupta 2 years, 3 months ago

Scaler

ANSWER

a free proton and a free electron are placed in a unifrom field which of the two experince greater force and greator accelartion

Posted by Bunty Chauhan 2 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Divanshu Negi 2 years, 2 months ago

The mgn of Electric force will be equal

ANSWER

a dipole is formed by point charge -q and + q each of mass m ,and both the point charges are connected by a rod of length l and mass m . this dipole is placed in uniform electric field E . if the dipole is disturbed by a small angle x from stable equilibrium position, prove that it's motion will be almost SHM. Also find its time period.

Posted by Priya . 2 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Fine talk on a dipole when it place in form uniform electric field making a angle 60 degree man having dipole moment SC micro coulom electric field 10

Posted by Nadeem Qureshi 2 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

..... ..... 2 years, 4 months ago

Bhaiya question sahi se bhejiye ?????

ANSWER

A current of 10 A in primary coil of circuit is reduced to zero at uniform rate in 10^-³. IF coefficient of mutual inductance is 3H. What is the induces emf in secondary

Posted by Avishek Chettri 2 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Priya . 2 years, 3 months ago

If a current of 3A, flowing in the primary coil is reduced to zero in 10−3s, the induced e.m.f. in the secondary coil is 15000V

ANSWER

Determine the current in each branch of the network show in figure

Posted by Soni Sharma 2 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Ncert ,lesson 1 exercise Q 1.26

Posted by Rani Bose 2 years, 4 months ago

CBSE > Class 12 > Physics

3 answers

..... ..... 2 years, 4 months ago

देखिए भैया जी इस question me ye poochh raha hai ki kaun sa curve sahi nhi hai for electric field lines ke liye --- उत्तर--- aap jante hai ki positive charge wali electric field line hamesa outward direction jati hai aur negative field lines hamesha inward aati इस question me yahi lagega toda sa sochna hai pata chal jayega kaun sa sahi hai । Esme kewal c sahi direction flow kar Raha hai aur koi nhi sahi direction me flow kar Raha hai ।bhaiya i guess aap samajh Gaye honge 😔 । Thank you ।।

..... ..... 2 years, 4 months ago

A

Ashish Kumar 2 years, 4 months ago

;;+,. Izw 9

ANSWER

A positively charged particle is released from rest in a uniform electric field. The electric potential energy of the charge a) decreases because the charge moves along the electric field. b) remains constant because the electric field is uniform. c) increases because the charge moves along the electric field. d) decreases because the charge moves opposite to the electric field.

Posted by Arpit Agnihotri 2 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Account Deleted 2 years, 4 months ago

a) decreases because charge moves along the E.F ...

ANSWER

Explain the principle of Capacitor.

Posted by Krish Pal Singh 2 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

An object is placed at a distance of 0.30 m from a concave lens of focal length 0.15 m. Find the size of the image is 0.01 m.

Posted by S Mohanty 2 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

A charge q is placed at the centre of the line joining two equal charges Q. Show that the the system of three charges will be in equilibrium

Posted by Abhinav Lodhi 2 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

A positively charged rod having uniform linear charge density lambdaC/m all over it is placed in a hypothetical cube of edge with the centre of the cube at one end of the rod find the minimum possible flux of the electric field through the entrie surface of the cube

Posted by Bhumika Maheshwari 2 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Prove that common potential v = C1 v1 +C1V2 / C1 +C2

Posted by Himesh Kumar 2 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Find the angle of projectile for which the horizontal range and maximum height are equal

Posted by Aman Deep 2 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Reddy Bora 2 years, 4 months ago

R=gu2sin2θH=2gu2sin2θgu2sin2θ=2gu2sin2θ2sinθcosθ=2sin2θucosθ=sinθtanθ=4θ=tan−14

ANSWER

Three identical charges each of 2 micro coloumb place at the vertices of a triangle ABC .if AB+AC=12cm and AB*AC=32cm the potential energy at point A is

Posted by Purnima Pujhari 2 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Kunal Limbale 2 years, 4 months ago

Hhha

ANSWER

Find the equivalent and capacitance between p and q

Posted by Shahid Zafar 2 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is super position principal??

Posted by Bablu Yadav 2 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Dimensional formula of permittivitty of free spacr

Posted by Raman Singh 2 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Anshul Pratap Singh 2 years, 4 months ago

Eo=Qq/4πr.r×F M.A^2.T^4.L^-4

ANSWER

A potential difference V is applied across a conductor of length l and uniform cross section area A .How will the (i) electric field E,(ii) drift velocity Vd,and (iii) current density j be affected when (a) V is doubled and (b) l is halved ( keeping other factors constant).

Posted by One Piece 2 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What do you mean by solar diode

Posted by Manashree Chakravarty 2 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Give some idea about project file on source of alternating current

Posted by Tushar Tushar 2 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Any type of charge particle near place neutral particle so in between two particles will repulsion or attraction

Posted by Swatantra Pandey 2 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Sneha Kumawat 2 years, 4 months ago

They will attract each other

ANSWER

Numerical on topic ohms law coming in CBSE board

Posted by Pinky Choudhary 2 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Shivansh Prajapati 2 years, 4 months ago

Yes

ANSWER

Cbse exam coming questions in topic ohms law

Posted by Pinky Choudhary 2 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Shivansh Prajapati 2 years, 4 months ago

Yes but KCL and KVL are more important than ohms

ANSWER

Can we define electric flux by integration if yes then how can we define

Posted by Aditya Dubey 2 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Joel Binu 2 years, 3 months ago

Teri maa di fudi

Shivansh Prajapati 2 years, 4 months ago

You must contact me

ANSWER

What is the property of visible light and also its applications?

Posted by Jaspreet Kaur 2 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Yuvraj Prasad 2 years, 5 months ago

It is the part of the spectrum that is detected by the human eye. It runs from about 4×1014Hz to about 7×1014Hz or a wavelength range of about 700- 400 nm. Visible light emitted or reflected from objects around us provides us information about the world. Our eyes are sensitive to this range of wavelengths.

ANSWER

3.3×10^9 +3.3×10^63.3×10^4

Posted by Gaurav Gaurav 2 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Jaspreet Kaur 2 years, 5 months ago

6.584365639397437e+67

ANSWER

Which is bigger - a coulomb or a charge on an electron? How many electronic charges form one coulomb of charge?

Posted by Srishti Singh 2 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Aseem Mahajan 2 years, 5 months ago

<font face ="Times New Roman">Coulomb is bigger
6.25 × 10¹⁸electrons will make 1C
Are you Aadya Singh?

ANSWER

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