An emf of 20 V is applied at time t = 0 to a circuit containing in series 10 mH inductor and 5 Ω resistor. The ratio of the currents at time t = ∞ and at t = 40 s is close to: (Take e² = 7.389)

Electromagnetic Induction and Alternating Currents: JEE Main 2020 Physics question

JEE Main 2020 · 7 Jan, Evening shift · Q5949

JEE Main 20207 Jan, Evening shiftPhysicsMediumElectromagnetic Induction and Alternating Currents149× since 2002

An emf of 20 V is applied at time t = 0 to a circuit containing in series 10 mH inductor and 5

\Omega

resistor. The ratio of the currents at time t =

\infty

and at t = 40 s is close to : (Take e² = 7.389)

JEE Main 2020 Electromagnetic Induction and Alternating Currents Question with Solution (7 Jan Evening shift, Q5949) | JEE Arc

JEE Main 2020 · 7 Jan, Evening shift · Q5949

JEE Main 20207 Jan, Evening shiftPhysicsMediumElectromagnetic Induction and Alternating Currents149× since 2002

An emf of 20 V is applied at time t = 0 to a circuit containing in series 10 mH inductor and 5

\Omega

resistor. The ratio of the currents at time t =

\infty

and at t = 40 s is close to : (Take e² = 7.389)