How much current will be flowing through a 69 m length of copper wire with radius 6.9 mm if it is connected to a source supplying 10 V? (The resistivity of copper is 1.68 x 10⁻⁸ Ωm)
- 770 A
- 25 nA
- 5.98 x 10⁸ A
- 1300 A