Question

The magnitude of the electrostatic force between two charges +4C and -3C kept at a distance 1m apart is ? Answer the question with proper steps.​

Answer 1

F = kq1q2/r²

k = 9 × 10^9

q1 = +4C

q2 = -3C

r = 1m

$force = \frac{kq1q2}{ {r}^{2} } \\ \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{9 \times {10}^{9} \times 4 \times 3}{ {1}^{2} } = 108 \times {10}^{9} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: = 1.08 \times {10}^{11} newton$

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