Imagine a single charge q placed on one corner of a square, and that the electric field at the center of the square is F/q. If additional equal charges are placed on the other three corners,
the electric field at the center of the square due to these four equal charges is
A) F/q.
B) 4F/q.
C) F/(2q).
D) F/(4q).
E) none of the above
Question 2
Electric potential, measured in volts, is the ratio of electric energy to the amount of electric
A) current.
B) resistance.
C) charge.
D) voltage.
E) none of the above
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