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Q.

What is the steady state current in the 2Ω resistor shown in fig. The internal resistance of the battery is negligible and the capacitance C=0.5μF

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a

0.3 A

b

0.6 A

c

0.9 A

d

1.2 A

answer is C.

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Detailed Solution

In steady state, current through capacitor is zero. 

Therefore, current in the circuit becomes 

i=Vr+Reff=21.2+2.8=1.5A

Current through 2Ω resistor is 

i1=33+2×1.5A=0.9A

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