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

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. 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

3. A tuned amplifier is generally operated in ____________operation?

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

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

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

5. A tuned amplifier is used in ___________ applications?

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

6. A tuned amplifier uses__________load?

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

7. 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

8. Tuned class C amplifiers are used for RF signals of________________?

   A. Low power
   B. High power
   C. Very high power
   D. None of the above

9. 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

10. The Q of a tuned amplifier is generally _________________?

    A. Less than 5
    B. Less than 10
    C. More than 10
    D. None of the above