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An alternating emf of angular frequency  is applied to a series LCR circuit. For this frequency of the applied emf, which of the following is not true.
  • a)
    The current in the circuit is in phase with the applied emf  and the voltage across R equals this applied emf 
  • b)
    Impedance of the circuit is less than R
  • c)
    The sum of the potential differences across the inductance and capacitance equals the applied emf which is 180° ahead of phase of the current in the circuit 
  • d)
    The circuit is at resonance and its impedance is made up only of a reactive part
Correct answer is option 'B,C,D'. Can you explain this answer?
Verified Answer
An alternatingemfof angular frequencyis applied to a seriesLCRcircuit....
(ε = εsinωt)




The correct answers are: The circuit is at resonance and its impedance is made up only of a reactive part, The sum of the potential differences across the inductance and capacitance equals the applied emf which is 180° ahead of phase of the current in the circuit, Impedance of the circuit is less than R
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Most Upvoted Answer
An alternatingemfof angular frequencyis applied to a seriesLCRcircuit....
(ε = εsinωt)



As we know resonating angular  frequency is 
so circuit is in resonance and impedence is made up of only resistance part
The correct answers are: The circuit is at resonance and its impedance is made up only of a reactive part, The sum of the potential differences across the inductance and capacitance equals the applied emf which is 180° ahead of phase of the current in the circuit, Impedance of the circuit is less than R
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An alternatingemfof angular frequencyis applied to a seriesLCRcircuit. For this frequency of the appliedemf, which of the following is not true.a)The current in the circuit is in phase with the appliedemf and the voltage acrossRequals this appliedemfb)Impedance of the circuit is less thanRc)The sum of the potential differences across the inductance and capacitance equals the appliedemfwhich is 180° ahead of phase of the current in the circuitd)The circuit is atresonanceand its impedance is made up only of a reactive partCorrect answer is option 'B,C,D'. Can you explain this answer?
Question Description
An alternatingemfof angular frequencyis applied to a seriesLCRcircuit. For this frequency of the appliedemf, which of the following is not true.a)The current in the circuit is in phase with the appliedemf and the voltage acrossRequals this appliedemfb)Impedance of the circuit is less thanRc)The sum of the potential differences across the inductance and capacitance equals the appliedemfwhich is 180° ahead of phase of the current in the circuitd)The circuit is atresonanceand its impedance is made up only of a reactive partCorrect answer is option 'B,C,D'. Can you explain this answer? for Physics 2024 is part of Physics preparation. The Question and answers have been prepared according to the Physics exam syllabus. Information about An alternatingemfof angular frequencyis applied to a seriesLCRcircuit. For this frequency of the appliedemf, which of the following is not true.a)The current in the circuit is in phase with the appliedemf and the voltage acrossRequals this appliedemfb)Impedance of the circuit is less thanRc)The sum of the potential differences across the inductance and capacitance equals the appliedemfwhich is 180° ahead of phase of the current in the circuitd)The circuit is atresonanceand its impedance is made up only of a reactive partCorrect answer is option 'B,C,D'. Can you explain this answer? covers all topics & solutions for Physics 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An alternatingemfof angular frequencyis applied to a seriesLCRcircuit. For this frequency of the appliedemf, which of the following is not true.a)The current in the circuit is in phase with the appliedemf and the voltage acrossRequals this appliedemfb)Impedance of the circuit is less thanRc)The sum of the potential differences across the inductance and capacitance equals the appliedemfwhich is 180° ahead of phase of the current in the circuitd)The circuit is atresonanceand its impedance is made up only of a reactive partCorrect answer is option 'B,C,D'. Can you explain this answer?.
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