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PU CSS 2026 Electromagnetic Induction Free Quiz 2
General
General 10 MCQs
11. When is EMF induced?
12. What principle does an AC generator work on?
13. What type of current does an AC generator produce?
14. When is the EMF maximum in a generator?
15. What principle does a transformer work on?
16. What is a step-up transformer?
17. What is a step-down transformer?
18. A transformer has primary turns = 100, secondary turns = 1000, and primary voltage = 12 V. What is the secondary voltage?
19. What is self-induction?
20. What is mutual induction?

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Conducting Body: University of The Punjab (PU)
Frequency: Bi-Annual | Time: 80 Minutes
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