Question

A gold-leaf electroscope is to be charged positively by conduction. For this

Options

• a positively charged rod is held close to near the disc of electroscope

• a positively charged rod is placed in contact with the disc of electroscope

• a negatively charged rod is held near the disc of electroscope

• a negatively charged rod is touched with the disc of electroscope.

Answer 1

a positively charged rod is placed in contact with the disc of electroscope