A. 2
B. 7
C. 3
D. None of the above
Related Mcqs:
- 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 - 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 - A transformer coupled class A power amplifier has a load of 100 O on the secondary. If the turn ratio is 10:1, what is the value of load appearing on the primary?
A. 5 kO
B. 20 kO
C. 100 kO
D. 10 kO - The output transformer used in a power amplifier is a _____________ transformer?
A. 1:1 ratio
B. Step-up
C. Step-down
D. None of the above - The ratio of output impedance of a CE amplifier is _______________?
A. About 1
B. Low
C. High
D. Moderate - Two oppositely charged balls A and B attract third conducting ball C when placed near them turn by turn. Then ball C must be______________?
A. positively charged
B. electrically neutral
C. negatively charged
D. positively and negatively charged - 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 - In transistor amplifiers, we use_____________transformer for impedance matching?
A. Step up
B. Step down
C. Same turn ratio
None of the above - If the zero signal dissipation of a transistor is 1W, then power rating of the transistor should be at least___________________?
A. 5 W
B. 33 W
C. 75 W
D. 1 W
