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. Complete the following statements.

(Positive, Negative, or Zero) The electric potential at c is ....
(Positive, Negative, or Zero) The electric potential at b is ....
(Positive, Negative, or Zero) The electric potential at a is ....
(Positive, Negative, or Zero) The electric potential at d is ....

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. Complete the following statements.

Explanation / Answer

a.)Zero,it lies on the eqipotential line.

B.)Zero,the positive and negative charges nearest b cancel out as well as the pair

furthers from it.

c.)Zero,a is equal distance from each point charge. As such, the potential sums to zero

d.)positive, the potential from the positive charges is greater than the potential

from the negative charges since the positive charges are closer.

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