five balls are suspended from insulating threads. severalexperiments are perform

Question

five balls are suspended from insulating threads. severalexperiments are performed on the balls and the followingobservations are made 1. Ball A attracts B and repels C. 2. Ball D attracts B and has no effect on E. 3. A negatively charged rod attracts both A and E. What are the charges (+, -, or zero), if any on eachball? five balls are suspended from insulating threads. severalexperiments are performed on the balls and the followingobservations are made 1. Ball A attracts B and repels C. 2. Ball D attracts B and has no effect on E. 3. A negatively charged rod attracts both A and E. What are the charges (+, -, or zero), if any on eachball?

Explanation / Answer

A, E and C are positive.   B is negative. D iszero. D is magnetic with no net electric charge.... some sort ofdipole system, maybe.

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