Question

find the electric field at a point located at 2 cm from a charge of 1 nc.

Answer 1

Explanation:

Electric field at a distance r from infinitely long charged wire  E=2πϵorλ

Given :  λ=10−7C.m−1        r=2 cm=0.02 m

⟹ E=2π×8.85×10−12×0.0210−7=9×104 NC−1

Answer 2

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