If Q of an LC circuit increases, then bandwidth ______________?

Related Mcqs:

1. The Q of a tuned amplifier is 50. If the resonant frequency for the amplifier is 1000kHZ, then bandwidth is __________________?

   A. 10kHz
   B. 40 kHz
   C. 30 kHz
   D. 20 kHz

2. 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

3. At series or parallel resonance, the circuit behaves as a ______________ load?

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

4. A resonant circuit contains ____________elements?

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

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

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

6. 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

7. The Q of an LC circuit is given by _________________?

   A. 2pfr x R
   B. R / 2pfrL
   C. 2pfrL / R
   D. R2/2pfrL

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

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

9. 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

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