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MDCAT Practice Test - Practice Test - Physics - Alternating Current Quiz

Attempt 10 MCQs on MDCAT Practice Test - Practice Test - Physics - Alternating Current | Quiz 6

51. Which EM rays are used in radiotherapy for cancer?



52. A 100 μF capacitor is connected to 50 Hz, 220 V AC. Find peak current.



53. Find peak current: L=0.2 H, 60 Hz, 120 V rms.



54. R=20 Ω, X_L=50 Ω, X_C=30 Ω, V=100 V. Find power factor.



55. L=0.5 H, C=20 μF. Find resonant frequency.



56. Find resonant frequency: L=0.5 H, C=50 μF.



57. v=100 sin(314t), R=10 Ω. Find average power.



58. R=40 Ω, X_L=80 Ω, X_C=20 Ω. Find phase angle.



59. V_rms=100 V, I_rms=2 A, cos φ=0.8. Find average power.



60. At resonance, supply 100 V, R=10 Ω, L=0.1 H, C=100 μF. Find voltage across inductor.



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