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1. |
Electric potential varies with distance such that V(x) =ax-bx3; where a and b are constants. Where will the electric field intensity be zero? |
A. | x= ( frac {a}{b} ) |
B. | x= ( frac {a}{3b} ) |
C. | x= ( sqrt{ frac {a}{b}} ) |
D. | x=+ ( sqrt{ frac {a}{3b}} ) and x=- ( sqrt{ frac {a}{3b}} ) |
Answer» E. | |