A. 4
B. 1
C. 3
D. More than 10
Related Mcqs:
- 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 - A 2-transistor class B power amplifier is commonly called ______________ amplifier?
A. Dual
B. Push-pull
C. Symmetrical
D. Differential - An amplifier receives 0.1 W of input signal and delivers 15 W of signal power. What is the power gain in db?
A. 8 db
B. 6 db
C. 5 db
D. 4 db - If the maximum collector current due to signal alone is 3 mA, then zero signal collector current should be at least equal to___________________?
A. 6 mA
B. mA
C. 3 mA
D. 1 mA - A silicon transistor is biased with base resistor method. If ß=100, VBE =0.7 V, zero signal collector current IC = 1 mA and VCC = 6V , what is the value of the base resistor RB ?
A. 105 kO
B. 530 kO
C. 315 kO
D. None of the above - In the zero signal conditions, a transistor sees _____________ load?
A. c.
B. c.
C. both d.c. and a.c.
D. none of the above - What will be the collector efficiency of a power amplifier having zero signal power dissipation of 5 watts and a.c. power output of 2 watts ?
A. 20%
B. 80%
C. 40%
D. 50% - In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of _____________________?
A. RC + RL
B. RC || RL
C. RL
D. RC - In order to get more voltage gain from a transistor amplifier, the transistor used should have_________________?
A. Thin base
B. Thin collector
C. Wide emitter
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
