Contents: Trasient Analysis
Number of questions: 15
Time: 30 Minutes
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 In the following circuit, i(t) under steady state is
The v-i characteristic as seen form the terminal pair (A, B) of the network of fig. (1) is shown in fig. (2). If an inductance of value 6 mH is connected across the terminal – pair (A,B), the time constant of the system will be
In the figure, transformer T1 has two secondaries, all the three winding having the same number of turns and with polarities as inducted. One secondary is shorted by a 10 \Omega resistor R, and the other by a 15 mF capacitor. the switch SW is opened ( t = 0 ) when the capacitor is charged to 5 V with the left plate as positive .At (t =0+) the voltage VP and current IR are
In the circuit shown in figure, it is desired to have a constant direct current i(t) through the ideal inductor L. The nature of the voltage source V(t) must be
In the circuit shown in the figure, the current source I = 1 \Omega , L1 = L2 = L3 H, C1 = C2 = 1 F. The current (in A) through R3 and the voltage source V respectively will be
An ideal voltage source will changed an ideal capacitor
The switch in the circuit has been closed for a long time. it is opened at t=0. At t = 0+, the current through 1 \mu F capacitance is
The time constant for the given circuit will be
A unit step voltage is applied at t =0 to a series RL circuit with zero initial conditions.
The capacitor charged up to 5 \mu s, as per the current profile given in the figure, is connected across an inductor of 0.6mH. Then the value of voltage across the capacitor after 1 \mu S will approximately be
In the circuit shown in figure, the switch S is closed at time (t = 0). The voltage across the inductor at t = 0+, is
Consider the circuit shown in figure, If the frequency of the source is 50 Hz, the a value of I0 which results in a transient free response is
In the following figure, C1 and C2 are ideal capacitor. C1 has been charged to 12 V before the ideal switch S is closed at t =0. The current i(t) for all t is
A unit step voltage is applied at t =0 to a series RL circuit with zero initial conditions.
An 11 V pulse of 10 \mu s duration is applied to the circuit shown in figure. Assuming that the capacitor is completely discharged prior to applying the pulse, the peak value of the capacitor voltage is