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Calculate force on an electron in a un...

Calculate force on an electron in a unifrom field of `5xx10^(4) N//C` due north.

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Here, `q_(0) = 1 e = 1.6xx10^(-19)C, E = 5xx10^(4) N//C`, due north
`:. F = q_(0) E = -1.6xx10^(-19)xx5xx10^(4) N = -8 = xx10^(-15)N` due to south.
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