1.What will happen if two uncharged objects are placed close to each
other?
A. Attract B. Neutralize C. Repel D. No effect
2.A negatively charged rod is brought near a metal can that rests on a
wooden stand. You touch the
opposite side of the can
momentarily with your finger. If
you remove your finger before
removing the rod, what will
happen to the charge of the can?
A. be discharged C. become positively charged
B. remain as it was D. become negatively charged
3.A charged iron rod is brought near a metal ball that is mounted on a
rubber sheet. If the metal
ball acquired a negative
charge after it was grounded
momentarily, what must be
the charged of the iron rod?
A. Negative B. Neutral C. Positive D. Uncertain
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Answer:
1.C
2.B
3.D
Explanation:
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