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Homework answers / question archive / The electric potential at x = 3
The electric potential at x = 3.0 m is 120 V, and the electric potential at x = 5.0 m is 190 V. What is the electric field in this region, assuming it's constant?
Electric Field = -(Change in Potential)/(Change in position)
= -(190 V - 120 V)/(5.0 m - 3.0 m)
= -(70 V)/(2.0 m)
= -35 V/m
= -35 N/C Answer
