Question

When an electric current flows through a copper wire AB s shown in figure, the wire (a) deflects a magnetic needle placed near it (b) becomes red hot (c) gives electric shock (d) behaves like a fuse 2.Which of the following precautions need not be taken while using electric gadgets/ appliances/circuit? (a) We should never touch a lighted electric bulb connected to the mains (b) We should never do experiment with the electric supply from the mains or a generator or an inverter (c) We should never use just any wire or strip of metal in place of a fuse (d) We should never turn the switch in ON position
_____ Oh sorry I am in tension I didn't see in calendar which day is today ??
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Answer 1

Answer:

(d) We should never turn the switch in ON position.

Explanation:

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Answer 2

Answer:

When an electric current is passed through a wire, the wire behaves like a magnet as a magnetic field is produced around the wire due to the magnetic effect of the current. So, the wire will deflect a magnetic needle placed near it. So, option (a) is correct.