Question

3.
a.
cannot be charged by friction while being held in the hand.


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Answer 1

Answer:

A magnet can exert a force on another magnet without being in contact with the force exerted by a magnet is an example of non contact force

Answer 2

Answer:

Why a copper rod cannot be charged by friction, if held by hand? Ans: Copper is a conducting object, as soon as it gets charged by rubbing with another material, the electric charge produced on its surface flow through our hand & body into the earth and it remains uncharged.

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