Question

Calculate the ratio of the resistance of 9.4 m of aluminum wire 2.0 mm in diameter,...

Calculate the ratio of the resistance of 9.4 m of aluminum wire 2.0 mm in diameter, to 15.7 m of copper wire 2.4 mm in diameter. RAl / RCu = 1.33 Incorrect: Your answer is incorrect.

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Answer #1

so the ratio will be= 2.538*10-1/1.83*10-1=1.4

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