In the circuit shown above, switch S is closed at t = 0. The time cons – McqOptions

MCQOPTIONS

1.	In the circuit shown above, switch S is closed at t = 0. The time constant of the circuit and initial value of current i(t) are
A.	30 sec, 0.5 A
B.	60 sec, 1.0 A
C.	20 sec, 1.0 A
D.	20 sec, 0.5 A
Answer» D. 20 sec, 0.5 A

Discussion

No Comment Found

Related MCQs

In a certain series resonant circuit Vc = 100 V, VL = 100 V and VR = 35 V. The source voltage is
In the following circuit shown below, the switch is moved from position a to b at t = 0.The iL(t) for t > 0 is
In the circuit, switch 'S' is in the closed position for a very long time. If the switch is opened at time t = 0, then iL (t) in amperes, for t ≥ 0 is
In the given circuit the switch is closed at time t = 0. The time taken for the circuit current to reach steady-state value is
In the circuit shown below, switch S1 and S2 are in open and close position respectively for long time. At t = t0, switch S1 is closed and switch S2 is opened. What would be the current through R1 immediately after the transition of switches?
A first order circuit is excited with a dc source. The current i(t) through any element of the circuit can be written as (if and ii are the final and initial values, respectively, of the current)
In the circuit shown above, the switch is closed after a long time. The current iS (0+) through the switch is
For the circuit diagram shown below, calculate the voltage across capacitor V(t) at t = 160 μs?
In the circuit shown in the following figure, the switch is kept closed for a long time and then opened at t = 0. The value of current 'i', just before opening the switch (t = 0-) and after opening the switch (t = 0+) are, respectively.
A step voltage of 10 V applied to the circuit at t = 0. The current through the resistor R just after t = 0 and at steady state are: