A 4m long copper wire has a diameter of 2mm and carries a current of 10A.
Determine the ff:
a. current density in the wire
b. electric field
c. potential difference between the ends of the wire
d. resistance of the wire
Determine the ff:
a. current density in the wire
b. electric field
c. potential difference between the ends of the wire
d. resistance of the wire
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