Networks Analysis and Synthesis MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Networks Analysis and Synthesis, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Networks Analysis and Synthesis MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Networks Analysis and Synthesis mcq questions that explore various aspects of Networks Analysis and Synthesis problems. Each MCQ is crafted to challenge your understanding of Networks Analysis and Synthesis principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Networks Analysis and Synthesis MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Networks Analysis and Synthesis. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Networks Analysis and Synthesis knowledge to the test? Let's get started with our carefully curated MCQs!

Networks Analysis and Synthesis MCQs | Page 52 of 129

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Q511.
Two voltages are 50 ∠0 V and 75 ∠ - 60° V. The sum of these voltages is

a.

109 ∠ - 60° V

b.

109 ∠ - 25° V

c.

109 ∠ - 36.6° V

d.

100 ∠ - 50.1° V

Discuss
Answer: (c).109 ∠ - 36.6° V
Q512.
A magnetic circuit has an iron length of 20 cm and air gap length 0.1 cm. If μᵣ = 200 then

a.

mmf for iron and air gap are equal

b.

mmf for iron is much less than that for air gap

c.

mmf for iron is much more than that for air gap

d.

either (a) or (c)

Discuss
Answer: (a).mmf for iron and air gap are equal
Q513.
A circuit is fed by two sources of the same frequency and values 100 ∠0° V and 20 ∠30°V. The current in a particular branch is 5 ∠19° A. If the magnitudes of the sources and changed to 200 ∠0° V and 40 ∠30° V, the current in that branch should be

a.

5 ∠19° A

b.

10 ∠19° A

c.

10 ∠38° A

d.

10 ∠9.5° A

Discuss
Answer: (b).10 ∠19° A
Q514.
Two coils X and Y have self inductances of 5 mH and 10 mH and mutual inductance of 3 mH. If the current in coils X change at a steady rate of 100 A/s, the emf induced in coil Y is

a.

0.3 V

b.

0.5 V

c.

1 V

d.

1.5 V

Discuss
Answer: (a).0.3 V
Q515.
Two capacitors of 2 μF and 4 μF capacitance are connected in series across a 30 V dc battery. After the capacitors have been charged, the voltage across them will be

a.

15 V each

b.

10 V and 20 V

c.

20 V and 10 V

d.

30 V each

Discuss
Answer: (c).20 V and 10 V
Q516.
A 50 Hz current has an amplitude of 10 A. The rate of change of current at t = 0.005 after i = 0 and is increasing is

a.

2221.44 A/s

b.

0

c.

- 2221.44 A/s

d.

- 3141.6 A/s

Discuss
Answer: (b).0
Q517.
In an air cored coil, a current of 0.7 A causes a flux of 5 x 10^-6 Wb. If the core is made of cast iron and the coil is similar, the same current can set up a flux of about

a.

5 x 10^-6 Wb

b.

5 x 10^-8 Wb

c.

10^-2 Wb

d.

5 x 10^-4 Wb

Discuss
Answer: (d).5 x 10^-4 Wb
Q518.
The self inductances of two coils are 27 H and 3 H. If the winding or coils is such that 50% of flux of one links the other, the mutual inductance is

a.

30 H

b.

24 H

c.

9 H

d.

4.5 H

Discuss
Answer: (d).4.5 H
Q519.
In a lead acid cell, the positive plate has spongy lead.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q520.
For H(s) to be positive real, the condition Re[H(jω)] ≥ 0 for 0 ≤ ω ≤ ∞ is

a.

a necessary condition

b.

a sufficient condition

c.

a necessary and sufficient condition

d.

is not a necessary condition

Discuss
Answer: (a).a necessary condition
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