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A negatively charged rod is brought near the cap of a gold-leaf electroscope. The cap ...

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.
Correct Answer: Option C
Explanation:

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