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

Alternating Current

JEE Main 2020 · 7 Jan, Evening shift · Q5949

PhysicsMedium94×since 2002Q5949

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 · 7 Jan, Evening shift · Q5949

PhysicsMedium94×since 2002Q5949

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)