A 2000-turn solenoid carries 5 A, inducing 200 V when current stops in 0.1 s. What is its inductance?
Q1. A 2000-turn solenoid carries 5 A, inducing 200 V when current stops in 0.1 s. What is its inductance?
Answer: 4 H
Explanation: L = EMF × Δt / ΔI. Option B ignores turn count.