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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two particles A and B having charges 8.0 × 10^−6 C and −2.0 × 10^(−6 ) C respectively are held fixed with a. separtion of 20cm. Where should a third charged. particle be placed so that it dose not experience a net electric force?.

Two particles A and B having charges 8.0 × 10^−6 C and −2.0 × 10^(−6 ) C respectively are held fixed with a. separtion of 20cm. Where should a third charged. particle be placed so that it dose not experience a net electric force?.

how strongly do you expect it to be repelled? Suppose we have large number of identical particles very small in size. Any of them at 10 cm separation repel with a force of 3 × 10^−10 N. If one of them is at 10 cm from a group of n others