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Question:

When a glass rod is rubbed with a piece of silk cloth the rod: becomes positively charged while the cloth has a negative charge. and the cloth both acquire positive charge. becomes negatively charged while the cloth has a positive charge. and the cloth both acquire negative charge.

becomes negatively charged while the cloth has a positive charge.

and the cloth both acquire negative charge.

becomes positively charged while the cloth has a negative charge.

and the cloth both acquire positive charge.

Solution:

The correct option is A becomes positively charged while the cloth has a negative charge. The two objects charged by friction get oppositely charged. Charge acquired by the glass rod is positive and charge acquired by the cloth is negative.