Question

170 Electrostatic Potential and Capacitance
18. If on the x-axis electric potential decreases uniformiy
from 60 V to 20 V between x = -2 m to x = +2 m,
then the magnitude of electric field at the origin
(1) Must be 10 V/m
(2) May be greater than 10 V/m
(3) Is zero
(4) Is 5 V/m



ANSWER WITH RIGHT EXPLANATION

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Answer 1

Answer:

(3) Is zero

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