Networks Analysis and Synthesis

Q1: Assertion (A): In a parallel circuit with three branches having R, L and C respectively and fed by a step current I, the current through inductance is always zero. Reason (R): The time constant of R-L circuit is L/R.

A Both A and R are true and R is correct explanation of A

B Both A and R are true and R is not the correct explanation of A

C A is true but R is false

D A is false but R is true

ANS:D - A is false but R is true

The current through inductance is zero at t = 0 and equal to I at t = ∞.



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