Tuned class C amplifiers are used for RF signals of________________?

Related Mcqs:

1. In the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________________?

   A. Remains the same
   B. Is lowered
   C. Is raised
   D. None of the above

2. A tuned amplifier is generally operated in ____________operation?

   A. Class A
   B. Class C
   C. Class B
   D. None of the above

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

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

4. A tuned amplifier is used in ___________ applications?

   A. Radio frequency
   B. Low frequency
   C. Audio frequency
   D. None of the above

5. A tuned amplifier uses__________load?

   A. Resistive
   B. Capacitive
   C. LC tank
   D. Inductive

6. 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

7. 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

8. The Q of a tuned circuit refers to the property of_______________?

   A. Sensitivity
   B. Fidelity
   C. Selectivity
   D. None of the above

9. Double tuned circuits are used in ____________ stages of a radio receiver?

   A. IF
   B. Audio
   C. Output
   D. None of the above

10. 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