Physics, asked by SwathiSajeevan3086, 9 months ago

A copper wire has a diameter of 2cm & resistivity of 10to the power 7 ohm meter . What will be the length of this wire to make it’s resistance 50 ohm ? How much does the resistance change if the diameter is doubled

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Answered by priyanshkp01

0

i think you have mistaken the data. resistivity of copper should be 10 to the power -7

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