Explore topic-wise MCQs in Network Theory.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory knowledge and support exam preparation. Choose a topic below to get started.

1.

The angle between resistance and impedance in the circuit shown below.

A. tan-11/ωRC
B. tan-1⁡C/ωR
C. tan-1⁡R/ωC
D. tan-1⁡ωRC
Answer» B. tan-1⁡C/ωR
Discussion
2.

The magnitude of the impedance of the circuit shown below is?

A. √(R+1/ωC)
B. √(R-1/ωC)
C. √(R2+(1/ωC)2)
D. √(R2-(1/ωC)2)
Answer» D. √(R2-(1/ωC)2)
Discussion
3.

The phase angle between current and voltage in the circuit shown below is?

A. tan-1⁡ωL/R
B. tan-1⁡ωR/
C. tan-1⁡R/ωL
D. tan-1⁡L/ωR
Answer» B. tan-1⁡ωR/
Discussion
4.

What is the magnitude of the impedance of the following circuit?

A. √(R+ωL)
B. √(R-ωL)
C. √(R2+(ωL)2)
D. √(R2-(ωL)2)
Answer» D. √(R2-(ωL)2)
Discussion
5.

The current i(t) in the circuit shown below is?

A. i(t)=(Vm/(R-jωL))etjω
B. i(t)=(Vm(R+jωL)) etjω
C. i(t)=(Vm(R-jωL)) etjω
D. i(t)=(Vm/(R+jωL)) etjω
Answer» E.
Discussion
6.

The voltage function v(t) in the circuit shown below is?

A. v(t) = Vm e-tjω
B. v(t) = Vmetjω
C. v(t) = etjω
D. v(t) = e-tjω
Answer» C. v(t) = etjω
Discussion
7.

Impedance is a complex quantity having the real part as _______ and the imaginary part as ______

A. resistance, resistance
B. resistance, reactance
C. reactance, resistance
D. reactance, reactance
Answer» C. reactance, resistance
Discussion
8.

THE_MAGNITUDE_OF_THE_IMPEDANCE_OF_THE_CIRCUIT_SHOWN_ABOVE_IS??$

A. √(R+1/ωC)
B. √(R-1/ωC)
C. √(R<sup>2</sup>+(1/ωC)<sup>2</sup> )
D. √(R<sup>2</sup>-(1/ωC)<sup>2</sup> )
Answer» D. ‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ(R<sup>2</sup>-(1/‚âà√¨‚àö¬¢C)<sup>2</sup> )
Discussion
9.

The angle between resistance and impedance in the circuit shown above.$

A. tan<sup>-1</sup>1/ωRC
B. tan<sup>-1</sup>⁡C/ωR
C. tan<sup>-1</sup>⁡R/ωC
D. tan<sup>-1</sup>⁡ωRC
Answer» B. tan<sup>-1</sup>‚Äö√Ñ√∂‚àö√ñ¬¨‚àûC/‚âà√¨‚àö¬¢R
Discussion
10.

The phase angle between current and voltage in the circuit shown above is?

A. tan<sup>-1</sup>⁡ωL/R
B. tan<sup>-1</sup>⁡ωR/
C. tan<sup>-1</sup>⁡R/ωL
D. tan<sup>-1</sup>⁡L/ωR
Answer» B. tan<sup>-1</sup>‚Äö√Ñ√∂‚àö√ñ¬¨‚àû‚âà√¨‚àö¬¢R/
Discussion
11.

The magnitude of the impedance of the circuit shown above.

A. √( R+ωL)
B. √(R-ωL)
C. √(R<sup>2</sup>+(ωL)<sup>2</sup> )
D. √(R<sup>2</sup>-(ωL)<sup>2</sup> )
Answer» D. ‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ(R<sup>2</sup>-(‚âà√¨‚àö¬¢L)<sup>2</sup> )
Discussion
12.

The impedance of the circuit shown below is?

A. R + jωL
B. R – jωL
C. R + 1/jωL
D. R – 1/jωL
Answer» B. R ‚Äö√Ñ√∂‚àö√ë‚àö¬® j‚âà√¨‚àö¬¢L
Discussion
13.

The current i(t) in the circuit shown above is?

A. i(t)=(V<sub>m</sub>/(R-jωL))e<sup>tjω</sup>
B. i(t)=(V<sub>m</sub>(R+jωL)) e<sup>tjω</sup>
C. i(t)=(V<sub>m</sub>(R-jωL)) e<sup>tjω</sup>
D. i(t)=(V<sub>m</sub>/(R+jωL)) e<sup>tjω</sup>
Answer» E.
Discussion
14.

Impedance is a complex quantity having the real part as _______ and the imaginary part as ______

A. resistance, resistance
B. resistance, reactance
C. reactance, resistance
D. reactance, reactance
Answer» C. reactance, resistance
Discussion