The most appropriate relationship between electric field and electric potential can be described as (C is an arbitrary path connecting the point with zero potential infinity)
A
VE=−∫CE.dl
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B
EV=−∫CV.dl
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C
VE=−∫E.dl
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D
EV=−∫E.dl
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Solution
The correct option is AVE=−∫CE.dl
Let ΔV=VB−VA be the electrostatic potential energy difference between any two points A and B in the electric field. The electric potential difference between points A and B is given by:
ΔV=VB−VA=ΔVq0=VB−VAq0
ΔV=VB−VA=−q0∫BA→E.→dl
ΔV=ΔVq0=−∫BA→E.→dl ...(i)
If C is an arbitrary path connecting the point with zero potential at infinity. Then, equation (i) becomes: