A. 2pfr x R
B. R / 2pfrL
C. 2pfrL / R
D. R2/2pfrL
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Related Mcqs:
- If the resistance of a tuned circuit is increased, the Q of the circuit _______________?
- A. Is increased B. Is decreased C. Remains the same D. None of the above...
- At series resonance, the circuit offers____________ impedance?
- A. Zero B. Maximum C. Minimum D. None of the above...
- A resonant circuit contains ____________elements?
- A. R and L only B. R and C only C. Only R D. L and C...
- At parallel resonance, the net reactive component circuit current is _______________?
- A. Capacitive B. Zero C. Inductive D. None of the above...
- If L/C ratio of a parallel LC circuit is increased, the Q of the circuit______________?
- A. Is decreased B. Is increased C. Remains the same D. None of the above...
- At series resonance, the phase angle between applied voltage and circuit is______________?
- A. 90o B. 180o C. 0o D. None of the above...
- At series or parallel resonance, the circuit power factor is ________________?
- A. 0 B. 5 C. 1 D. 8...
- For frequencies below the resonant frequency , a parallel LC circuit behaves as a ______________load?
- A. Inductive B. Resistive C. Capacitive D. None of the above...
- If a high degree of selectivity is desired, then double-tuned circuit should have ___________ coupling?
- A. Loose B. Tight C. Critical D. None of the above...
- For frequencies below resonant frequency, a series LC circuit behaves as a _____________ load?
- A. Resistive B. Capacitive C. Inductive D. None of the above...
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