Alternating Voltage and Current MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Alternating Voltage and Current, a fundamental topic in the field of Basic Electrical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Alternating Voltage and Current 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 Alternating Voltage and Current mcq questions that explore various aspects of Alternating Voltage and Current problems. Each MCQ is crafted to challenge your understanding of Alternating Voltage and Current principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Electrical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Alternating Voltage and Current MCQs are your pathway to success in mastering this essential Basic Electrical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Alternating Voltage and Current. 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 Alternating Voltage and Current knowledge to the test? Let's get started with our carefully curated MCQs!

Alternating Voltage and Current MCQs | Page 5 of 7

Q41.
Average value of current over a full cycle is?
Discuss
Answer: (b).0
Q42.
What is the correct expression for the form factor?
Discuss
Answer: (b).Iᵣₘₛ / Iₐᵥ
Q43.
For a direct current, the rms current is ________ the mean current.
Discuss
Answer: (c).Equal to
Q44.
For a direct current, the rms voltage is ________ the mean voltage.
Discuss
Answer: (c).Equal to
Q45.
What is the value of the form factor for sinusoidal current?
Discuss
Answer: (a).π/2
Q46.
If the maximum value of the current is 5√2 A, what will be the value of the average current?
Discuss
Answer: (a).10/π A
Q47.
For addition and subtraction of phasors, we use the _________ form.
Discuss
Answer: (a).Rectangular
Q48.
For multiplication and division of phasors, we use ____________ form.
Discuss
Answer: (b).Polar
Q49.
If a voltage of 2+5j and another voltage of 3+ 6j flows through two different resistors, connected in series, in a circuit, find the total voltage in the circuit.
Discuss
Answer: (c).5+11j V
Q50.
Find the total current in the circuit if two currents of 4+5j flow in the circuit.
Discuss
Answer: (d).8+10j A
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