JEE Main 7 Jan 2020 Shift 2 Solved Paper

Section: Physics
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Question : 10 of 75
 
Marks: +1, -0
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=40s is close to : (Take e2=7.389)
[7 Jan 2020 Shift 2]
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