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i didn’t catch your point..can you please explain this....
Answer is not zero. As the surface is not closed surface. To solve this problem look at the picture below: p { margin-bottom: 0.25cm; line-height: 120%; } Let us construct a cylinder as shown in the...
Suppose that you rubbed a balloon with a sample of animal fur such as a wool sweater or even your own hair. The balloon would likely become charged and its charge would exert a strange influence upon...
The electric potential of the disk at points along its axis needs to be determined first. We can then equate the potential energy (gravitational plus electrical) at height H to that at the disk's...
The study of electric charges at rest is called electrostatics. Its other name is ‘static electricity’. A Greek philosopher ‘Thales’ in 600 BC conducted an experiment. He...
Everything is right. whats your doubt?
Yes answer is Correct.Thanks.
replace by a single battery of e.m.f =E2-E1. now the cap.s r in series. in series same charge implaies same capacitance. same capacitance implies same potential difference. now, sum of P.D. = E2-E1....
the capacitor now bcomes like -----| | |------ or two caps. in series. with the dist. between them now = d/2 where d= original distance between the plates w/o foil.hence each capacitors now become of...
As the cylinder is kept horizontally, so, outward normal for the curved surface ( i.e. whose surface area is 2πrl ) is perpendicular to the x- axis & thus electric flux through it wil be zero. Now,...
Quantization of charge is about the transfer of integral number of electron from one conducting body to another wheather the process is of friction, conduction or induction./... So Quantization of...
Dear Friend, Here, in the question, the only difference is the gap due to which you are little bit confused from that of a semi circle. We know that while calculating electric field for the...
Electric field b/w the plates = σ/ϵ = 2 * 10 4 Vm -1 Charge on particle = +3e = 4.8 * 10 -19 C So, force on particle = 4.8 * 2 * 10 -15 = 9.6 * 10 -15 N As, the particle moves in the direction of...
Let charge on B & C = q. So, F = force b/w both conductors = K * q * q / r 2 . where, K = 1/(4πϵ) Also, charge on A = 0. So, when A is touched with b , charge gets distributed equally on both...
p1..............................p2 pZ= q(2dx) force acts due to charges +q and -q on any one dipole on the other....here i assume it as p2 Fnet = fq-f-q Fnet = q(E+dE) -q(E-de) where E = 2kp/x3 fnet =...
Electostatics is the study of charges at rest . It involves force, electric field, potential, work done etc for the charges at rest. Moving charges form current & magnetic field. They come under...
The answer is 1Ω Here as the bulb is glowing at full intensity, so voltage across the bulb is = 1.5V Also, for bulb, v = 1.5V, P = 0.45W; Resistance = R = v 2 /P = 1.5*1.5/0.45 = 5Ω So, total...
In the first and the second case we are talking about two individiual charges and thus the field lines between them are exactly like between the two poles of the magnet(which is why they are called...
Gauss Law:- The electric flux ФEthrough any closed surface is equal to the net charge inside the surface,Qinside, divided by ε0:
Gauss Law:- The electric flux ФEthrough any closed surface is equal to the net charge inside the surface,Qinside, divided by ε 0 :
1 st part :you can probably say that it is a symmetrical figure so the tangential opposite components ancel each other . 2 nd part: it is one of the questions from irodov. you can do it as...
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