A 100km long high voltage transmission line that uses an unknown material has a diameter of 3 cm and a potential differe

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answerhappygod
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A 100km long high voltage transmission line that uses an unknown material has a diameter of 3 cm and a potential differe

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A 100km long high voltage transmission line that uses an unknown
material has a diameter of 3 cm and a potential difference of 220V
is maintained across the ends. The average time between collision
is 2.7 x 10-14 s and the free-electron density is 8.5 x 1026 /m3.
Determine the current in A.
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