A) If electric field has zero value at a certain point the electric potential has to be zero at that point
B) If electric potential has zero value at a certain point then electric field has to be zero at that point
C) If electric field at certain point is non-zero then electric potential has to be non-zero at that point
D) None of these are correct
Correct Answer: D
Solution :
If \[\operatorname{V}= 0\] then E may be non-zero for example as shown in figure at P, \[\operatorname{V} = 0\], put \[E\ne 0\]
If \[\operatorname{E} = 0\], then V may be non-zero for example at centre of charged ring only E is zero whereas V is non-zero. If \[\operatorname{E} \ne 0\] then V may be zero (as shown in figure)
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