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NTS - NAT IM Test - Physics - Electromagnetic Induction - Quiz 3

Practice 10 high yield MCQs on Physics from Chapter Electromagnetic Induction for NAT IM Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 3 of the series.

21. What is the transformer equation?



22. What is a step-up transformer?



23. What is a step-down transformer?



24. A transformer has primary turns = 100, secondary turns = 1000, and primary voltage = 12 V. What is the secondary voltage?



25. What is self-induction?



26. What is mutual induction?



27. What is the SI unit of inductance?



28. What is the formula for induced EMF in an inductor?



29. What is the energy stored in an inductor?



30. Which component opposes the change in current?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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