Physics, asked by shauryachib246, 7 hours ago

A metal wire of resistivity 64 x 10 ohm cm and length 198 cm has a resistance of 7 Q. Calculate its radius

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Answered by anshukumary546

Answer:

A metal wire of resistivity 64 xx 10^-6 ohm cm and length 198 cm has a resistance of 7 Omega. Calculate its radius. As R=ρlA=ρlπr2,r=√ρlπR=√(64×10-6Ωm)(198cm)3.14(7Ω)=0.024cm.

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A metal wire of resistivity 64 x 10 ohm cm and length 198 cm has a resistance of 7 Q. Calculate its radius ​

Answers

A metal wire of resistivity 64 x 10 ohm cm and length 198 cm has a resistance of 7 Q. Calculate its radius