Networks Analysis and Synthesis

Q1: A series RL circuit is initially relaxed. A step voltage is applied to the circuit. If t is the time constant of the circuit, the voltage across R and L will be same at time t equal to

A t ln 2

B

C

D

ANS:A - t ln 2

i = i0 (1 - e-R/Lt) and VR = VL at a given time t.



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