A. Input impedance is very high
B. Input impedance is low
C. Output impedance is very low
D. None of the above
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Related Mcqs:
- The disadvantage of impedance matching is that it _______________?
- A. Gives distorted output B. Gives low power output C. Requires a transformer D. None of the above...
- In transistor amplifiers, we use_____________transformer for impedance matching?
- A. Step up B. Step down C. Same turn ratio None of the above...
- If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ____________?
- A. 20 kΩ B. 2 kΩ C. 10 kΩ D. 5 kΩ...
- It is generally desired that a transistor should have_____________________ input impedance?
- A. Low B. Very low C. High D. Very high...
- The ratio of output impedance of a CE amplifier is _______________?
- A. About 1 B. Low C. High D. Moderate...
- A transistor amplifier has high output impedance because ______________?
- A. Emitter is heavily doped B. Collector has reverse bias C. Collector is wider than emitter or base D. None of the above...
- The value of collector load RC in a transistor amplifier is _______________the output impedance of the transistor?
- A. The same as B. Less than C. More than D. None of the above...
- What turn ratio (Np/Ns) of transformer is required to match 4 O speaker to a transistor having an output impedance of 8000 O ?
- A. 2 B. 7 C. 3 D. None of the above...
- An amplifier has a power gain of 100. Its db gain is ________________?
- A. 10 db B. 20 db C. 40 db D. None of the above...
- The maximum collector efficiency of class B operation is ________________?
- A. 50% B. 90% C. 5% D. 5%...
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