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Calculate the electric field strength at distance of 3 m from a charge of 32n C placed in air. |
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Answer» Given `q = + 32 nC = 32 xx 10^(-9) C` `r = 3 m` `E= (1)/(4piin_(0)) Q/(r^(2)) = 9 xx 10^(9) xx (32 xx 10^(-9))/((3)^(2)) = 32 N C^(-1)`, which is away from the charge. |
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