Physics, asked by 2021770, 6 months ago

A copper wire has a square cross section, 2.0mm on a side. It is 4m long and carries a

current of 10A. The density of free electron is 81028/m3 (a) What is the current density in

the wire? (b) What is the electric field? (c) What is the drift velocity of the electron in the

wire? (d) How much time is required for an electron to travel the length of the wire?​

Answers

Answered by sibaprasadbarik444
0

Answer:

yergfufrgygugh

Explanation:

drfgf dgdrbrg rhfd thd dhfr xdgx fgdwf gffgxvfsdf dddgh ffggf dgbvfvjc

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