87.
The electrical circuit consists of . . . . . . . .

88.
Assertion (A): The temperature of a metal wire rises when an electric current is passed through it.
Reason (R): Collision of metal atoms with each other releases heat energy.

90.
An electrical device consumes 1000 joules of energy in a second. If it runs for one hour, what will be the amount of electricity consumed by it?

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