A potential difference of 100 v willbe applied to a 400 m

Question

A potential difference of 1.00 V willbe applied to a 40.0 m length of18-gauge copper wire (diameter = 0.0400 in.). Calculate thefollowing values.

(a) the current

A

(b) the magnitude of the current density

A/m2

(c) the electric field

V/m

(d) the rate at which thermal energy will appear in the wire

W