MDCAT Physics Alternating Current Test Online

Physics Alternating Current MCQS Online Test

MDCAT Physics Alternating Current Chapter Online Test

Total Questions: 49
Time Allowed: 25 Minutes
Total Marks: 49
How to Attempt Test: Please choose the right Option in MCQ-type question.
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1. In which part of the electromagnetic spectrum does visible light lie?

2. Which EM wave is used in night vision equipment?

3. What is the purpose of phase analysis in AC circuits?

4. What is the result of the vector addition of current and voltage in an RLC circuit?

5. What happens to current in an inductive AC circuit?

6. What happens to the power factor in a purely inductive or capacitive circuit?

7. Which of the following AC circuit components stores energy in an electric field?

8. Which of these quantities is the same for all types of EM waves in a vacuum?

9. In which component of an AC circuit does the current lead the voltage by 90°?

10. What is the result of applying AC through a pure resistor?

11. What causes phase difference in AC circuits?

12. Which electromagnetic wave has more penetrating power?

13. Which device is used to measure the frequency of AC?

14. Which of the following waves has the highest energy?

15. Which wave has more energy than UV but less than gamma rays?

16. Which part of the EM spectrum is used for cooking in microwave ovens?

17. What is the phase relationship between current and voltage in an inductive AC circuit?

18. The term “rms value” in AC stands for:

19. Which property is different among the different waves in the EM spectrum?

20. Which property of AC allows it to be transmitted over long distances efficiently?

21. What is meant by 'phase lag' in AC circuits?

22. What is the unit of reactance in an AC circuit?

23. Which electromagnetic wave is used in satellite communication?

24. In which case is the power factor of an AC circuit maximum?

25. Which EM wave has a frequency just above visible light?


 

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