two charge +10uc and -10uc are placed apart 5mm
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then force ....
F = 9 × 10 ^9 × 10×10 × 10^-12 / 25 × 10 ^ -6
F = 9 × 10 ^ 5 / 25
F = 90/25 × 10 ^4
F = 18 / 5 × 10 ^4 N..
and electric field E = F/ q.
F = 9 × 10 ^9 × 10×10 × 10^-12 / 25 × 10 ^ -6
F = 9 × 10 ^ 5 / 25
F = 90/25 × 10 ^4
F = 18 / 5 × 10 ^4 N..
and electric field E = F/ q.
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