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.Management Sciences
Category: Transistor Tuned Amplifiers
The Q of a tuned amplifier is 50. If the resonant frequency for the amplifier is 1000kHZ, then bandwidth is __________________?
0
A. 10kHz
B. 40 kHz
C. 30 kHz
D. 20 kHz
The Q of an LC circuit is given by _________________?
A. 2pfr x R
B. R / 2pfrL
C. 2pfrL / R
D. R2/2pfrL
At parallel resonance, the line current is_______________?
A. Minimum
B. Maximum
C. Quite large
D. None of the above
In series resonance, there is__________________?
A. Voltage amplification
B. Current amplification
C. Both voltage and current amplification
D. None of the above
At series resonance, the circuit offers____________ impedance?
A. Zero
B. Maximum
C. Minimum
D. None of the above
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
A tuned amplifier is generally operated in ____________operation?
A. Class A
B. Class C
C. Class B
D. None of the above
At parallel resonance, the ratio L/C is ______________?
A. Very large
B. Zero
C. Small
D. None of the above
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
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