Question

Consider the following statements and choose the incorrect one:

1 point

The resistance of all pure metals increases on raising the temperature and decreasing on lowering the temperature.

A thick wire has more resistance and a thin wire has less resistance.

Short length of a thick wire is used for getting low resistance; a long length of a thin wire is used for getting high resistance.

The resistance of a wire is inversely proportional to the square of its diameter​

Answer 1

Answer:

ANSWER

For same volume of the material of wire a thick wire will have more area of cross-section and lesser length as compared to thin wire of same material and same volume which will have more length and lesser area of cross-section.

As Resistance R∝l and R∝

A

1

Hence, thick wire will have less resistance than thin wire.

Explanation:

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Answer 2

Answer:

Explanation:

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