Network Theory And Analysis MCQs with Answers 2027

Q101

Specific resistance of a conductor depends upon

Select an option to see the answer and solution.

Q102

Two coils N₁ and N₂ turns are would concentrically on a straight cylindrical core of radius r and permeability µ. The windings have length

l_{1}

and

l_{2}

respectively as shown in figure.
The mutual inductance will be
1. Proportional to N₁, N₂
2. Proportional to µ
3. Inversely proportional to

l_{1}

4. Inversely proportional to r²
Which of these statements are correct?
Network Theory and Analysis mcq question image

Select an option to see the answer and solution.

Q103

Open question

Given I_s = 10, V_s = 10, the current I in the 3 ohm resistor is given by
Network Theory and Analysis mcq question image

Select an option to see the answer and solution.

Q104

Open question

In the given circuit, the switch moves from position a to position b at t = 0. The expression of i (t) for t > 0 is given by:
Network Theory and Analysis mcq question image

Select an option to see the answer and solution.

Q105

Open question

Consider the RLC circuit shown below. At a certain frequency f₀ the circuits behaves like a purely resistive circuits. The equivalent resistance of the parallel combination at that particular frequency f₀ is
Network Theory and Analysis mcq question image

Select an option to see the answer and solution.

Q106

Open question

A battery is connected to a resistance causing a current of 0.5 A in the circuit. The current drops to 0.4 A when an additional resistance of 5 Ω is connected in series. The current will drop to 0.2 A when the resistance is further increased by

Select an option to see the answer and solution.

Q107

Open question

With usual notation a two port resistive network satisfied the condition A = D =

\frac{3}{2}

B =

\frac{4}{3}

C
The Z₁₁ of the network is

Select an option to see the answer and solution.

Q108

Open question

Match List-I with List-II and select the correct answer using the options given below:

List-I	List-II
a. $\frac{s ^{2} - s + 1}{s ^{2} + s + 1}$	1. RL admittance
b. $\frac{s ^{2} + s + 1}{s ^{2} - s + 1}$	2. RL impedance
c. $\frac{s ^{2} + 4 s + 3}{s ^{2} + 6 s + 8}$	3. Unstable
	4. Non- minimum phase

Select an option to see the answer and solution.

Q109

Open question

What is the unit of sheet resistivity?

Select an option to see the answer and solution.

Q110

Open question

The effective inductance of two coils with self inductances L₁, L₂ and mutual inductance M (as connected shown in figure) will be:
Network Theory and Analysis mcq question image

Select an option to see the answer and solution.

Q111

Open question

In the above circuit, R₁ = R₂ = R₃ = 3 Ω, what would be the values of R_A, R_B, R_C respectively
Network Theory and Analysis mcq question image

Select an option to see the answer and solution.

Q112

Open question

The flux in a magnetic core is sinusoidally varying at 200 Hz. The maximum flux density is 2 Tesla and eddy current loss is 15 W. If the frequency is raised to 400 Hz and maximum flux density reduced to 1 Tesla, the eddy current loss will

Select an option to see the answer and solution.

Q113

Open question

What determines the inductance of a coil?

Select an option to see the answer and solution.

Q114

Open question

Which of the following cannot be connected in series unless they are identical?

Select an option to see the answer and solution.

Q115

Open question

Relative to a given fixed tree of a network,