Electrostatics Question 684
Question: The metal knob of a gold leaf electroscope is touched with a positively charged rod. When it is taken away the leaves stay separated. Now the metal knob is touched by negatively charged rod. The separation between the leaves
Options:
A) increases
B) decreases
C) remains same
D) first increases then decreases.
Show Answer
Answer:
Correct Answer: B
Solution:
[b] On touching the metal knob with a positively charged rod some electrons from the gold leaves get transferred to the rod making gold separated. When a negatively charged rod charge flows to the gold leaves lessening the positive charge there and the separation between the leaves decreases.
BETA
