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Q.

In the circuit shown, the switch is closed at t=0.  The instantaneous currents through L and C are i1 and i2 respectively. Then which of the following statements are NOT CORRECT?

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a

i1 + i2 is independent of time if R2=LC

b

i1 and i2 are equal only at one instant  

c

 i1 and i2 are never equal.

d

 i1 is maximum at t= and i2 is maximum at t=0.

answer is D.

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Detailed Solution

i1=i0(1et/T1)

i2=i0et/T2

ifT1=T2the  i1+i2=2i0

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