A charge +q is to be placed at either point A or point B in the accompanying fig

Question

A charge +q is to be placed at either point A or point B in the accompanying figure. Assume points A and B lie on a line that is midway between the two positive charges. Is the net force experienced at point A greater than, equal to, or less than the net force experienced at point B? greater than equal to less than Choose the best explanation from among the following: The net force at point A cancels. Therefore, the nonzero net force at point B is greater in magnitude than the zero net force at point A. Point B is farther from the two fixed charges. As a result, the net force at point B is less than at point A. The net force is greater in magnitude at point A because at that location the movable charge experiences a net repulsion from each of the fixed charges.

Explanation / Answer

We know at A ,electric field is zero as electric field of both charge cancel each other.so at B ,force will be greater.

so force at A is less than force at B

Part (B)

The first option is correct as i have explained in part (A)

so option (a) is correct

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