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 3 of 7

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Q21.
What happens to the frequency if the number of pairs of poles increases?
Discuss
Answer: (a).Increases
Q22.
Calculate the frequency if the number of revolutions is 300 and the paired poles are 50.
Discuss
Answer: (a).15kHz
Q23.
Calculate the number of revolutions if the frequency is 15kHz and the paired poles are 50.
Discuss
Answer: (c).300
Q24.
Calculate the number of paired poles if the frequency id 15kHz and the number of revolutions is 300.
Discuss
Answer: (c).50
Q25.
What is the frequency of a two pole machine having n=50?
Discuss
Answer: (c).50Hz
Q26.
What is the minimum number of poles that a machine must have __________

a.

1

b.

2

c.

4

d.

10

Discuss
Answer: (b).2
Q27.
Find the average value of current when the current that are equidistant are 4A, 5A and 6A.
Discuss
Answer: (a).5A
Q28.
What is the current found by finding the current in an equidistant region and dividing by n?
Discuss
Answer: (b).Average current
Discuss
Answer: (a).Root Mean Square
Q30.
What is the type of current obtained by finding the square of the currents and then finding their average and then fining the square root?
Discuss
Answer: (a).RMS current
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