12th Class Physics Chapter 16 MCQs with Answers

AdminMarch 14, 2024

0 11 1 minute read

Welcome to the 12th Class Physics Chapter 16 MCQs Practice and Quiz Tests. We are presenting you with top MCQ questions from the 12th Class Physics Chapter 16 Alternating Current.

You can find all the 12th Class Physics Chapter 16 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your Intermediate Exams. We are making these Class 11 Physics MCQs online tests for those who want full marks in their exams.

12th Class Multiple Choice Question Chapter 16 with Answers Free PDF

You can also download 12th Class Questions with Answers Chapter 16 free PDF from the link provided below. To Download file in PDF click on the arrow sign at the top right corner.

Grade 12 Physics Chapter 16 Online Quiz

By presenting 3 options to choose from, 12th Class Chapter 16 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 12th Class Questions and Answers and click over the correct answer.

Test Name: 12th Class Chapter 16 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 comment below this post, so that we can update the answer in the quiz section.

1th Class Physics Ch 16: Alternating Current

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1 / 40

What is the period of a 60 Hz alternating current?

1/60 minute

60 seconds

1/60 second

2 / 40

What is the peak value of an AC waveform?

RMS value

Maximum value

Average value

3 / 40

What is the frequency of AC commonly expressed in?

Watts

Hertz

Volts

4 / 40

What is the unit of angular frequency?

Radians per second

Volts

Hertz

5 / 40

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

RMS value times 2

Twice the peak value

RMS value divided by 2

6 / 40

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

Frequency

Amplitude

Phase

7 / 40

What is the RMS value of an AC waveform?

Average

Maximum

Root mean square

8 / 40

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

Exactly 90 degrees

Less than 90 degrees

More than 90 degrees

9 / 40

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

Peak value

RMS value

Zero

10 / 40

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

Peak-to-peak value times square root of 2

RMS value divided by square root of 2

RMS value times square root of 2

11 / 40

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

90 degrees

Zero degrees

180 degrees

12 / 40

What is the frequency of AC commonly expressed in?

Volts

Watts

Hertz

13 / 40

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

RMS value times square root of 2

RMS value divided by square root of 2

Peak value times square root of 2

14 / 40

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

180 degrees

90 degrees

Zero degrees

15 / 40

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

180 degrees

90 degrees

Zero degrees

16 / 40

What type of current flows in one direction only?

Direct current

Transient current

Alternating current

17 / 40

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

180 degrees

90 degrees

Zero degrees

18 / 40

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

Phase

Amplitude

Frequency

19 / 40

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

Zero degrees

90 degrees

180 degrees

20 / 40

What is the frequency of a 50 Hz alternating current?

50 cycles per hour

50 cycles per minute

50 cycles per second

21 / 40

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

Amplitude

Phase

Frequency

22 / 40

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

More than 90 degrees

Less than 90 degrees

Exactly 90 degrees

23 / 40

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

Hertz

Watts

Volts

24 / 40

What is the unit of reactive power?

Watts

Volt-ampere reactive

Volt-ampere

25 / 40

What is the instrument used to measure AC voltage?

Voltmeter

Ohmmeter

Ammeter

26 / 40

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

Voltage divided by current

Voltage times current

Voltage squared divided by resistance

27 / 40

What type of current periodically changes direction?

Direct current

Transient current

Alternating current

28 / 40

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

No relationship

Inversely proportional

Directly proportional

29 / 40

What is the unit of apparent power?

Volt-ampere

Volt-ampere reactive

Watts

30 / 40

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

Phase

Amplitude

Frequency

31 / 40

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

Period

Frequency

Phase

32 / 40

What is the unit of peak voltage?

Watts

Volts

Hertz

33 / 40

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

Less than 90 degrees

More than 90 degrees

Exactly 90 degrees

34 / 40

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

Ammeter

Ohmmeter

Voltmeter

35 / 40

What type of current periodically changes direction?

Direct current

Transient current

Alternating current

36 / 40

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

Inversely proportional

No relationship

Directly proportional

37 / 40

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

180 degrees

Zero degrees

90 degrees

38 / 40

What is the unit of frequency?

Watts

Hertz

Volts

39 / 40

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

Directly proportional

No relationship

Inversely proportional

40 / 40

What is the instrument used to measure AC current?

Voltmeter

Ohmmeter

Ammeter

Download Certificate of Quiz 12th Class Chapter 16

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AdminMarch 14, 2024

0 11 1 minute read