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 _________________?
(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?
(A) The end point
(B) Middle
(C) The maximum current point
(D) None of the above
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?
(A) Also line
(B) Does not lie
(C) May or may not lie
(D) Data insufficient
The base resistor method is generally used in ________________?
(A) Amplifier circuits
(B) Switching circuits
(C) Rectifier circuits
(D) None of the above
In a base resistor method, if the value of ß changes by 50, then collector current will change by a factor ___________________?
(A) 25
(B) 50
(C) 100
(D) 200
If the value of collector current IC increases, then the value of VCE ______________?
(A) Remains the same
(B) Decreases
(C) Increases
(D) None of the above
In a particular biasing circuit, the value of RE is about _________________?
(A) 10 kO
(B) 1 MO
(C) 100 kO
(D) 800 O
The value of VBE ___________________?
(A) Depends upon IC to moderate extent
(B) Is almost independent of IC
(C) Is strongly dependant on IC
(D) None of the above