NEET Physics Transformer and LC Oscillations MCQs Set A

Question:  A transformer is employed to a) obtain a suitable A.C. voltage b) obtain a suitable D.C. voltage c) convert D.C. into A.C. d) convert A.C. into D.C. Answer: obtain a suitable A.C. voltage Question: The transformer voltage induced in the…

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NEET Physics Alternating Current Voltage and Power MCQs Set A

Question: Alternating current cannot be measured by D.C. ammeter, because* a) average value of A. C for complete cycle is zero b) A. C. cannot pass through D.C. ammeter c) A. C. changes its direction d) A. C. is virtual Answer: average value of A. C for complete…

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NEET Physics Alternating Current MCQs Set A

Question: If the rms current in a 50 Hz AC circuit is 5 A, the value of the current 1/300 s after its value becomes zero is a) b) c) 5/6 A d) None of these Answer:   Question: a) –Xg b) Rg c) Xg d) zero Answer: –Xg   Question: …

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NEET Physics AC Circuit LCR Circuit Quality and Power Factor MCQs Set A

Question: An A.C. source is connected to a resistive circuit. Which of the following is true? a) Current and voltage are in same phase b) Any of the above may be true depending upon the value of resistance. c) Current lags behind voltage in phase d) Current leads ahead…

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