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ECAT - Practice Test - Physics - Electromagnetism Quiz

Attempt 10 MCQs on ECAT - Practice Test - Physics - Electromagnetism | Quiz 4

31. Why are transformer cores laminated?



32. What is the formula for self-induced EMF?



33. What is the SI unit of inductance?



34. What is mutual inductance?



35. What is the energy stored in an inductor?



36. What does a generator do?



37. What does a motor do?



38. What is the effect of back EMF in a motor?



39. What is peak voltage in terms of RMS voltage?



40. What is the average power in a resistive AC circuit?



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