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Force experienced by the charge placed ar x=0 should be balanced from both the sides. If it is of negative polarity, then it would be attracted towards -3q as repelled by -q and reverse is true.
Calculate the dipole moment due to sets of opposite polarity charge, the angle between two dipole would be 60. In this way calculate the resultant resultant.
P = VI So, 0.45 = (1.5) 2 /R Calculate Resistance of bulb. Now, Potential drop across R = 1.5 V So, 4.5 V across 3 ohm, which means current is 1.5 A. Now find R as current through bulb is known, hence...
Field due to a dipole = kp/x 3 Force = divergence( R.E) = So, 3kpR/x 3 Divergence = differention, if only one variable is involved (here x)
As for calculating the fields of these extended objects, we use the formula for field due to a point charge for small field elements in these large objects and then integrate it. So, we are actually...
We know that, Coulomb force, F = Kq 1 q 2 /d 2 Dipole moment, p =qd. So, q 1 = p 1 /d and q 2 = p 2 /d Putting these values in Coulomb force, we get, F = K(p 1 /d) (p 2 /d)/d 2 = K (p 1 ) (p 2 )/d 4...
The voltage across the capacitor remains unaltered if you connect anything in parallele to it. The moment you connect anything in series to the capacitor the coltage across the capacitor changes.
If we put positive charge at the centre, due to same polarity interaction, they will repel each other. If negative, then due to attraction by three charge it would sustained its position. Now, for the...
-4Q charge will flow from earth to sphere B thanx
do the charges on the surface of the balloon repel each other and make the balloon expand (blow up) further till equillibrium is reached?
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...
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...
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