Question

What happens when a 13 volt current is passed through a pencil?

Answer 1

Answer:

Pencil contains lead which is a good conductor of electricity, So when 13V current passes through a pencil ✏,current passes through the whole circuit....

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Answer 2

Answer:If an electric fan is switched on in a closed room, the air will be heated because due to motion of the fan, the speed of air molecules will increase. In fact, we feel cold due to evaporation of our sweat.

Explanation:If an electric fan is switched on in a closed room, the air will be heated because due to motion of the fan, the speed of air molecules will increase. In fact, we feel cold due to evaporation of our sweat.