9. [1pt] Consider two separate systems, each with four charges of magnitude q ar
ID: 1398888 • Letter: 9
Question
9. [1pt]
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 dare half way between the lower two charges. (Give ALL correct answers, i.e., B, AC, BCD...)
A) The electric field at d is zero.
B) The electric field at c is zero.
C) The electric potential at a is zero.
D) The electric potential at b is zero.
E) The electric field at b is zero.
F) The electric field at a is zero.
G) The electric potential at c is zero.
H) The electric potential at d is zero.
Explanation / Answer
(A) False one component due to negative charge will add up along vertical direction
(B) False
(C) Correct
(D) Correct
(E) False
(F) Correct
(G) Correct
(H) False
CDFG