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equipotential means surface surface having same potential and potential difference is 0 ........and work done is also 0...
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in a conducting shell there are no of free electrons and each electron repel each other with equal force due to which the charge will distribute over the spherical surface therefore charge is 0 inside it...due to which electric field is also 0 .....
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lambda = q / L = q / r
electric feild of finite this wire of length l is
E = k*q / [ r ^ 2 {( r / l) ^ 2 + 1/4} ^ 1/2
as length is infinite
E = k*q ( r ^ 2 *1/2)
= 2 k q / r^2
= lambda / 2 pie epsilon * r
rate me if it is correct
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it remain same not affected by inner one means if radius of bigger shell is R then potential is KQ/R
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dear i solved them already .. and how i can post them here it took too much time......but i ll try
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yar i think it is posted bfor but it is gud
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hehehehe gud but mai itna jayda alive rahoonga phew!!!!!!!!!!!! 2077tak
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