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?
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.
Verified Correct Answer: C.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #24282)