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What is the force between two small charged spheres having charges of 2× 10^-7 and 3 x 10^-7 C placed 30cm apart in air?

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What is the force between two small charged spheres having charges of 2× 10-7 and 3 x 10-7 C placed 30cm apart in air?

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Best answer

q1 = 2 x 10-7 C

q2 = 3 x 10-7 C

r = 30 cm = 0.3 m

From coulomb's, in air

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