alleryA neutral pith ball joined by copper wire to a negative rod acquires a charge that is:
ANeutral
BMagnetic
CNegative
DPositive
Answer & Solution
Correct answer: C. Negative
1. Copper carries charge from the rod to the ball.
2. The ball takes on the same kind of charge as the rod.
3. So it becomes negative.
_Source: syllabus Physics Part I, Chapter 1, Electric Charges and Fields._
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