Q221
Open questionA 220 Ω resistor is in series with a 2.2 µF capacitor. The time constant is
Select an option to see the answer and solution.
ECE · all questionsNetwork Theory And Analysis
Network Theory And Analysis
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
388
Questions
12/20
Page
Pick an option on a question to see the right answer and solution.
Q222
Open questionFind the Thevenin equivalent circuit parameter for the given network.
Select an option to see the answer and solution.
Q223
Open questionA 100 V, 50 Hz a.c. supply is applied across a series RLC circuit having R = 10 Ω, L = 100 mH and C = 1000 µF The current through the circuit will be
Select an option to see the answer and solution.
Q224
Open questionWhich one of the following is correct?
Select an option to see the answer and solution.
Q225
Open questionA 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:
Select an option to see the answer and solution.
Q226
Open questionA coil with a certain number of turns has a specified time constant. If the number of turns is doubled, the time constant will be
Select an option to see the answer and solution.
Q227
Open questionUse branch currents in the network shown in below figure to find the current supplied by the 60 V source.
Select an option to see the answer and solution.
Q228
Open questionFor a series resonant circuit, at the half power points, which of the following is true?
Select an option to see the answer and solution.
Q229
Open questionIn 0.025 W, there are
Select an option to see the answer and solution.
Q230
Open questionThe reactance of capacitors increases as:
Select an option to see the answer and solution.
Q231
Open questionMatch List-I with List-II and select the correct answer using the options given below:
| List-I | List-II |
| a. Superposition theorem | 1. Impedance matching in audio circuits |
| b. Thevenin's theorem | 2. Linear bilateral networks |
| c. Kirchhoff's voltage and current laws | 3. Large network in which currents in few elements to be determined |
| d. Maximum power transfer theorem | 4. Currents and voltages in all branches of a network |
Select an option to see the answer and solution.
Q232
Open questionThe current ratio for the circuit shown in figure is:
Select an option to see the answer and solution.
Q233
Open questionWhat is the applied voltage for a series RLC circuit when IT = 3 mA, VL = 30 V, VC = 18 V and R = 1000 ohms?
Select an option to see the answer and solution.
Q234
Open questionThe coils on the iron core have coefficient of coupling . . . . . . . .
Select an option to see the answer and solution.
Q235
Open questionTwo coils with self inductances 1 H & 3 H have a mutual inductance of 1 H. The coupling factor is
Select an option to see the answer and solution.
Q236
Open questionTwo 2 H inductance coil are connected in series and are also magnetically coupled to each other with coefficient of coupling being 0.1. The total inductance of the combination can be
Select an option to see the answer and solution.
Q237
Open questionA 120 V ac circuit contains 10 Ω resistance and 30 Ω reactance in series. The average power in the circuit will be nearly:
Select an option to see the answer and solution.
Q238
Open questionOne kWh is equal to . . . . . . . . kCal.
Select an option to see the answer and solution.
Q239
Open questionIn the following figure, C1 and C2 are ideal capacitors. 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
Select an option to see the answer and solution.
Q240
Open questionOhm's law is applicable to
Select an option to see the answer and solution.