Alternating Current MCQs with Answers

adminJune 10, 2024

0 2 1 minute read

Welcome to the Alternating Current MCQs with Answers. In this post, we have shared Alternating Current Online Test for different competitive exams. Find practice Alternating Current Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Alternating Current.

Alternating Current Online Quiz

By presenting 3 options to choose from, Alternating Current Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Alternating Current Questions and Answers and click over the correct answer.

Test Name: Alternating Current MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Alternating Current

Please fill out the form before starting Quiz.

1 / 40

What is the phase difference between voltage and current in a purely inductive AC circuit?

Zero degrees

90 degrees

180 degrees

2 / 40

What is the frequency of a 50 Hz alternating current?

50 cycles per minute

50 cycles per hour

50 cycles per second

3 / 40

What is the period of a 60 Hz alternating current?

60 seconds

1/60 minute

1/60 second

4 / 40

What is the characteristic of an AC waveform that determines the number of cycles per second?

Amplitude

Phase

Frequency

5 / 40

What is the unit of peak voltage?

Watts

Hertz

Volts

6 / 40

What is the characteristic of an AC waveform that determines its intensity?

Amplitude

Phase

Frequency

7 / 40

What is the unit of frequency?

Watts

Volts

Hertz

8 / 40

What is the frequency of AC commonly expressed in?

Volts

Hertz

Watts

9 / 40

What is the unit of peak-to-peak voltage?

Hertz

Volts

Watts

10 / 40

What is the instrument used to measure AC current?

Ohmmeter

Voltmeter

Ammeter

11 / 40

What is the unit of reactive power?

Volt-ampere

Watts

Volt-ampere reactive

12 / 40

What is the peak-to-peak value of an AC waveform?

Twice the peak value

RMS value divided by 2

RMS value times 2

13 / 40

What is the phase difference between voltage and current in a purely resistive-capacitive AC circuit?

Exactly 90 degrees

More than 90 degrees

Less than 90 degrees

14 / 40

What is the characteristic of an AC waveform that determines its time taken to complete one cycle?

Period

Frequency

Phase

15 / 40

What is the phase difference between voltage and current in a purely resistive-inductive-capacitive AC circuit?

180 degrees

Zero degrees

90 degrees

16 / 40

What is the unit of angular frequency?

Volts

Radians per second

Hertz

17 / 40

What is the phase difference between voltage and current in a purely resistive AC circuit?

180 degrees

90 degrees

Zero degrees

18 / 40

What is the phase difference between voltage and current in a purely resistive-inductive AC circuit?

Exactly 90 degrees

More than 90 degrees

Less than 90 degrees

19 / 40

What is the relationship between peak-to-peak value and RMS value for an AC waveform?

RMS value divided by square root of 2

Peak-to-peak value times square root of 2

RMS value times square root of 2

20 / 40

What is the relationship between frequency and angular frequency for an AC waveform?

Directly proportional

No relationship

Inversely proportional

21 / 40

What is the instrument used to measure resistance in an AC circuit?

Ohmmeter

Ammeter

Voltmeter

22 / 40

What is the phase difference between voltage and current in a purely capacitive-inductive AC circuit?

180 degrees

Zero degrees

90 degrees

23 / 40

What type of current periodically changes direction?

Direct current

Alternating current

Transient current

24 / 40

What is the frequency of AC commonly expressed in?

Volts

Watts

Hertz

25 / 40

What is the unit of apparent power?

Watts

Volt-ampere reactive

Volt-ampere

26 / 40

What is the relationship between frequency and time period for an AC waveform?

Directly proportional

Inversely proportional

No relationship

27 / 40

What type of current flows in one direction only?

Direct current

Alternating current

Transient current

28 / 40

What is the relationship between peak value and RMS value for an AC waveform?

RMS value divided by square root of 2

Peak value times square root of 2

RMS value times square root of 2

29 / 40

What is the phase difference between voltage and current in a purely capacitive-inductive AC circuit?

More than 90 degrees

Exactly 90 degrees

Less than 90 degrees

30 / 40

What is the average power consumed in a purely resistive AC circuit?

Voltage squared divided by resistance

Voltage divided by current

Voltage times current

31 / 40

What type of current periodically changes direction?

Direct current

Transient current

Alternating current

32 / 40

What is the average value of an AC waveform over a complete cycle?

Peak value

RMS value

Zero

33 / 40

What is the characteristic of an AC waveform that determines its displacement from the zero point?

Frequency

Phase

Amplitude

34 / 40

What is the phase difference between voltage and current in a purely capacitive AC circuit?

90 degrees

180 degrees

Zero degrees

35 / 40

What is the instrument used to measure AC voltage?

Ammeter

Voltmeter

Ohmmeter

36 / 40

What is the relationship between frequency and wavelength for an AC waveform?

Inversely proportional

Directly proportional

No relationship

37 / 40

What is the peak value of an AC waveform?

Maximum value

Average value

RMS value

38 / 40

What is the RMS value of an AC waveform?

Root mean square

Maximum

Average

39 / 40

What is the phase difference between voltage and current in a purely resistive-capacitive-inductive AC circuit?

90 degrees

180 degrees

Zero degrees

40 / 40

What is the characteristic of an AC waveform that determines its rate of change?

Phase

Frequency

Amplitude

Download Certificate of Quiz Alternating Current

On the end of Quiz, you can download the certificate of the quiz if you got more than 70% marks. Add a certificate to your job application or social profile (like LinkedIn) and get more job offers.

If you are interested to enhance your knowledge regarding English, Chemistry, Computer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.

adminJune 10, 2024

0 2 1 minute read