Electric flux through a surface varies with time as Φₑ = 3t² + 2t in SI units. At t = 1 s, the displacement current is Nε₀. Find N.

Question

G1 Physics · Accepted Answer

Displacement current is I = ε₀(dΦₑ/dt). Given, Φₑ = 3t² + 2t. Therefore, dΦₑ/dt = 6t + 2. At t = 1 s, dΦₑ/dt = 8. Hence, I = 8ε₀. Therefore N = 8.