Q.

In the adjoining circuit, initially the switch S is open. The switch ‘S’ is closed at t = 0. The difference between the maximum and minimum current that can flow through the battery is

1 2 A  
2 3 A  
3 1 A  
4 0.5 A  

Ans.

(3)

imax (After long time)=10V5Ω=2A

imin (at t=0)=1010=1A