The electric field and the electric potential at a point inside a shell are E and V respectively. Which of the following is correct?
If E=0, V must be zero.
If V=0, E must be zero.
If E≠0, V cannot be zero.
None of these
A
If E=0, V must be zero.
B
None of these
C
If E≠0, V cannot be zero.
D
If V=0, E must be zero.
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Solution
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In a shell E=0 but V≠0. Along the equatorial line of a dipole, V=0 but E≠0.
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