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NCAT - Practice Test - Physics - Alternating Current Quiz

Attempt 10 MCQs on NCAT - Practice Test - Physics - Alternating Current | Quiz 4

31. What is the formula for resonant frequency?



32. Which EM waves are used in TV remote controls?



33. Do electromagnetic waves require a medium?



34. What produces electromagnetic waves?



35. What is the angle between electric and magnetic fields in an EM wave?



36. What is the power factor of a pure resistive AC circuit?



37. What is the power factor of a pure capacitor?



38. What is the expression for power factor?



39. What is the formula for average power in AC?



40. What is the unit of apparent power?



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