Question

what we learn electric current and it's effects class 7 ​

Answer 1

Answer:

Wires made from some special materials melt quickly and break when large electric currents are passed through them. These materials are used for making electric fuses which prevent fires and damage to electric appliances. When an electric current flows through a wire, it behaves like a magnet.

Explanation:

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Answer 2

Electric current has the following effect : (i) Electric current can give rise to heating and lighting. (ii) Electric current can convert a straight conductor into a temporary magnet.

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