Four point charges of equal magnitude are arranged at the corners of a square as

Question

Four point charges of equal magnitude are arranged at the corners of a square as shown in the figure. Positive charges are indicated by "+" and negative charges are indicated by "-" ·a Select the only true statement about the electric potential at points a, b and c O The electric potential equals zero at points a and c, but not at point lb O The electric potential equals zero at point c, but not at points a andb O The electric potential equals zero at none of these points O The electric potential equals zero at points a, but not at points b and c o The electric potential equals zero at point b, but not at points a and c The electric potential equals zero at points a and b, but not at point c. The electric potential equals zero at points b and c, but not at point a. The electric potential equals zero at points a, b and c. Incorrect. Tries 1/4 Previous Tries Submit Answer

Explanation / Answer

The electric potential is zero at points a, b and c

Last option.

2nd question

To the right

First option is correct

Field due to two positive point charges cancels and field due to two negative charges are rightward

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