MDCAT Physics Electromagnetic Induction Test Online

Photo of Mustansar Khan Mustansar KhanLast Updated: May 26, 2025

Physics Electromagnetic Induction MCQS Online Test

MDCAT Physics Electromagnetic Induction 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.
Test Helpful For: MDCAT Entry Test
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1. What is the purpose of an iron core in a transformer?

2. What is electromagnetic induction?

3. An electric generator works on the principle of:

4. If magnetic flux through a coil is constant, induced emf is:

5. The basic principle of generator is:

6. What is the source of energy in an electric generator?

7. Primary and secondary coils in a transformer are linked through:

8. What is the unit of magnetic flux?

9. Why does a transformer not work with DC?

10. Which material is best for transformer core?

11. The direction of induced current can be found using:

12. The unit of self-inductance is:

13. What is the role of brushes in a generator?

14. Why are transformers used in power transmission?

15. What happens to induced emf if speed of coil rotation in a generator is increased?

16. In an ideal transformer, efficiency is:

17. What kind of core is used in a transformer to reduce energy loss?

18. Faraday's Second Law relates induced emf to:

19. An emf is induced in a conductor when it:

20. According to Lenz’s Law, the induced current will:

21. Which factor does NOT affect the magnitude of induced emf?

22. Transformers are based on:

23. Which of these quantities is conserved in an ideal transformer?

24. The number of turns in the secondary coil of a transformer is doubled. The output voltage will:

25. In AC generators, alternating current is produced due to:


 

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Photo of Mustansar Khan Mustansar KhanLast Updated: May 26, 2025
Photo of Mustansar Khan

Mustansar Khan

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