In voltage divider bias, VCC = 25 V; R1 = 10 kO; R2 = 2.2 V ; RC = 3.6 V and RE =1 kO. What is the emitter voltage?
A. 7 V
B. 3 V
C. V
D. 8 V
Electrical Engineering Mcqs
In voltage divider bias, operating point is 3 V, 2 mA. If VCC = 9 V, RC = 2.2 kO, what is the value of RE ?
In voltage divider bias, operating point is 3 V, 2 mA. If VCC = 9 V, RC = 2.2 kO, what is the value of RE ?
A. 2000 O
B. 1400 O
C. 800 O
D. 1600 O
The disadvantage of voltage divider bias is that it has _________________?
The disadvantage of voltage divider bias is that it has _________________?
A. High stability factor
B. Low base current
C. Many resistors
D. None of the above
For proper amplification by a transistor circuit, the operating point should be located at the_____________ of the d.c. load line?
For proper amplification by a transistor circuit, the operating point should be located at the_____________ of the d.c. load line?
A. The end point
B. Middle
C. The maximum current point
D. None of the above
Thermal runaway occurs when_________________?
Thermal runaway occurs when_________________?
A. Collector is reverse biased
B. Transistor is not biased
C. Emitter is forward biased
D. Junction capacitance is high
The operating point ________________ on the a.c. load line?
The operating point ________________ on the a.c. load line?
A. Also line
B. Does not lie
C. May or may not lie
D. Data insufficient
The operating point is also called the _______________?
The operating point is also called the _______________?
A. Cut off point
B. Quiescent point
C. Saturation point
D. None of the above
For good stabilsation in voltage divider bias, the current I1 flowing through R1 and R2 should be equal to or greater than_____________?
For good stabilsation in voltage divider bias, the current I1 flowing through R1 and R2 should be equal to or greater than_____________?
A. 10 IB
B. 3 IB
C. 2 IB
D. 4 IB
The disadvantage of base resistor method of transistor biasing is that it_________________?
The disadvantage of base resistor method of transistor biasing is that it_________________?
A. Is complicated
B. Is sensitive to changes in ß
C. Provides high stability
D. None of the above
An ideal value of stability factor is________________?
An ideal value of stability factor is________________?
A. 100
B. 200
C. More than 200
D. 1