For Problems 6 to 9:
Figure shows a copper wire with square cross-section. Copper has conductivity of
The current flowing on this wire is 32 Amps.
Problem [6] <5 points> Find the magnitude of the electric field.
Problem [7] <5 points> Find the voltage between the ends of the wire.
Problem [8] <5 points> Find the current density.
Problem [9] <5 points> Find the resistance of this wire.
1 Answer