Answer 1

Given: L = 2 m, R = 10 Ω, R_E = 990 Ω

E = 2 V

To find: Potential gradient of wire (K)

Formula: `K = V/L`

∴ K = 10^-2 V/m = 0.01 V/m

The potential gradient of wire is 0.01 V/m.