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A negatively charged rod is brought near the cap of a gold-leaf electroscope. The cap ...
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Physics Classroom
Waec
Waec 1992
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A negatively charged rod is brought near the cap of a gold-leaf electroscope. The cap is earthed momentarily while the rod is near to it. The rod is then removed. Which of the following is correct?
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A
The cap will be positively charged and the negatively charged leaves will diverge
B
The cap will be negatively charged and the positively charged leaves will diverge
C
The cap and the leaves will be positively charged
D
The cap and the leaves will be negatively charged.
E
The leaves will not diverge because the cap has been earthed.
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Correct Answer:
Option C
Explanation:
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