Two wires, X and Y are made of the same metal and are at the same temperature.

Question:

Two wires, X and Y are made of the same metal and are at the same temperature. Y is twice as long as X and has twice the cross-sectional area.

Which of the following is correct?

A. X and Y have the same resistance.

B. X has half the resistance of Y.

C. X has double the resistance of Y.

D. X has four times the resistance of Y.

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Complete Physics For Cambridge IGCSE RG

ISBN: 9780198308713

3rd Edition

Authors: Stephen Pople

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Question Posted: Aug 30, 2021 12:49 AM

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Two wires, X and Y are made of the same metal and are at the same temperature.

Question:

A 2A 21

Step by Step Answer:

ANSWER Option A The resistance R of a wire is related to its physical dimensions an...View the full answer

Complete Physics For Cambridge IGCSE RG

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