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. Select True or False for the following statements.

The electric field at b is zero.
The electric potential at c is zero.
The electric field at c is zero.
The electric field at d is zero.
The electric field at a is zero.
The electric potential at a is zero.
The electric potential at b is zero.
The electric potential at d is zero.

Using the diagram above, find the magnitude of the electric field at point d.
DATA: q= 0.750 ?C, L= 0.40 m.

Explanation / Answer

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