1.

5.When a plastic rod rubbed with wool is broughtnear the knob of a negatively charged gold leafelectroscope, the gold leaves(1) Contract(2) Dilate(3) Start oscillating (4) Collapse completely

Answer»

The answer is dilate.

Reason :

The rod repels negative charge from the top of the electroscope.

This creates an excess of negative charge at the leaves.

The leaves having the same charge, are repelled, and spread.

the answer is dilate because the rod repels negative charge from the top of the electroscope



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