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The resistivity of Nichrome is 10^-6 Ω-m. The wire of this material has radius of 0.1 mm with resistance 100 Ω, then the length will be

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The resistivity of Nichrome is 10-6 Ω-m. The wire of this material has radius of 0.1 mm with resistance 100 Ω, then the length will be

(A) 3.142 m 

(B) 0.3142 m 

(C) 3.142 cm 

(D) 31.42 m

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1 Answer

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by (38.0k points)

Correct option is: (A) 3.142 m

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