JEE Main 2024 Physics question
In a coil, the current changes from −2 A to +2A in 0.2 s and induces an emf of 0.1 V. The self inductance of the coil is:
Answer: (A)
Solution
L = ε/(ΔI/Δt) = 0.1/(4/0.2) = 5 mH.
In a coil, the current changes from −2 A to +2A in 0.2 s and induces an emf of 0.1 V. The self inductance of the coil is:
L = ε/(ΔI/Δt) = 0.1/(4/0.2) = 5 mH.