MHT CET 2024 Physics question
Two point charges and repel each other with a force of 100 N. is increased by 10% and is decreased by 10%. If they are kept at their original positions the change in the force of repulsion between them is
Answer: (D)
Solution
By Coulomb's law with the distance unchanged. The new product is . Hence the new force is , a decrease of N,
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