Consider two separate systems, each with four charges of magnitude q arranged in

Question

Consider two separate systems, each with four charges of magnitude q arranged in a square of length L as shown above. Points a and c are in the center of their squares while points b and d are half way between the lower two charges. (For each statement select T True, F False). The electric potential at b is zero. The electric field at d is zero. The electric potential at a is zero. The electric potential at d is zero. The electric field at a is zero. The electric field at b is zero. The electric field at c is zero. The electric potential at c is zero.

Explanation / Answer

A) True (addition of potential due to all charges will be zero)

B) False ( at point d there is electric field due to both negative charges and the direction will be upward at point d)

C) True

D) False

E) True

F) False

G) True

H) True

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