When either L or C is increased, the resonant frequency of LC circuit ____________?

Related Mcqs:

1. In a parallel LC circuit, if the input signal frequency is increased above resonant frequency then _______________?

   A. XL increases and XC decreases
   B. XL decreases and XC increases
   C. Both XL and XC increase
   D. Both XL and XC decrease

2. In a parallel LC circuit, if the signal frequency is decreased below the resonant frequency, then________________?

   A. XL decreases and XC increases
   B. XL increases and XC decreases
   C. Line current becomes minimum
   D. None of the above

3. For frequencies above the resonant frequency, a parallel LC circuit behaves as a ____________ load?

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

4. For frequencies above the resonant frequency , a series LC circuit behaves as a ____________load?

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

5. 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

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

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

7. The voltage gain of a tuned amplifier is____________at resonant frequency

   A. Minimum
   B. Maximum
   C. Half-way between maximum and minimum
   D. Zero

8. 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

9. A resonant circuit contains ____________elements?

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

10. 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