Question

Define resistance .What is the effect on resistance of wire if it stretched to make its length double​

Answer 1

Answer:

The electrical resistance of an object is a measure of its opposition to the flow of electric current.

The resistance will increase .

Explaination:

As a wire gets longer its resistance increases, and as it gets thinner its resistance also increases because its cross sectional area decreases. Doubling the length will double the resistance, but the wire also must get thinner as it is stretched, because it will contain the same amount of metal in twice the length.

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