A. Change in ICBO
B. Change in VCC
C. Change in the values of circuit resistance
D. None of the above
Related Mcqs:
- The biasing circuit has a stability factor of 50. If due to temperature change, ICBO changes by 1 µA, then IC will change by___________________?
A. 100 µA
B. 25 µA
C. 20 µA
D. 50 µA - Lagging of changes in the magnetization of a substance behind changes in the magnetic field as the magnetic field is varied is known as magnetic_____________?
A. Retaintivity
B. Permeability
C. Flux
D. Hysteresis - The operating point is also called the _______________?
A. Cut off point
B. Quiescent point
C. Saturation point
D. None of the above - When a transistor amplifier is operating, the current in any branch is _______________?
A. Sum of a.c. and d.c.
B. c. only
C. c. only
D. difference of a.c. and d.c. - 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 - Operating point represents__________________?
A. Values of IC and VCE when signal is applied
B. The magnitude of signal
C. Zero signal values of IC and VCE
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 - The circuit that provides the best stabilization of operating point is___________________?
A. Base resistor bias
B. Collector feedback bias
C. Potential divider bias
D. None of the above - 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 operating point ________________ on the a.c. load line?
A. Also line
B. Does not lie
C. May or may not lie
D. Data insufficient
