the electric field at a point due to a point charge is 20 N/C AND the potential at that point is 10J/C.CALCULATE the distance of the point from the charge and magnitude of charge
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kq/r² = 20
kq/r = 10
1/r = 2
r = 1/2 m
kq/r = 10
1/r = 2
r = 1/2 m
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