ElectroMagnetic InductionMedium
Question
The inductance of a solenoid is 5 henery and its resistance is 5Ω. If it is connected to a 10 volt battery then time taken by the current to reach 9/10th of its maximum will be :-
Options
A.4.0 s
B.2.3 s
C.1.4 s
D.1.2 s
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