The Q of an LC circuit is given by _________________?

Related Mcqs:

1. 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

2. At series resonance, the circuit offers____________ impedance?

   A. Zero
   B. Maximum
   C. Minimum
   D. None of the above

3. A resonant circuit contains ____________elements?

   A. R and L only
   B. R and C only
   C. Only R
   D. L and C

4. At parallel resonance, the net reactive component circuit current is _______________?

   A. Capacitive
   B. Zero
   C. Inductive
   D. None of the above

5. 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

6. At series resonance, the phase angle between applied voltage and circuit is______________?

   A. 90o
   B. 180o
   C. 0o
   D. None of the above

7. At series or parallel resonance, the circuit power factor is ________________?

   A. 0
   B. 5
   C. 1
   D. 8

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

9. 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

10. For frequencies below resonant frequency, a series LC circuit behaves as a _____________ load?

    A. Resistive
    B. Capacitive
    C. Inductive
    D. None of the above