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.