Question

When a positively charged glass rod is touched to the metal knob of an electroscope, the leaves of the electroscope becomeandeach other.

• A. positively charged
• B. negatively charged
• C. attract
• D. move away from

Answer 1

Answer: (A), (D)

move away from

When a positively charged glass rod touches the metal knob of an electroscope, the leaves of the electroscope become positively charged. Since the charge on both the leaves is the same, they are repelled away from each other, and hence, they spread out.