Andy has a metal sphere that has a charge of 0.5 coulombs on it. He wants to remove some of this charge and place it on a second sphere, and use the two spheres to repel each other. How much charge should be transplanted to produce the greatest force?
A)0)1 C
B)0)25 C
C)0)35 C
D)0)40 C
E)0)50 C

Question

Quizplus · Accepted Answer

According to Coulomb's law, the attractive or repulsive force is F = (q1*q2)/r2. From this equation we can see that if we need to split a charge, if q1 =q2 we can produce the greatest force.

Andy Has a Metal Sphere That Has a Charge of 0.5