When the temperature changes, the operating point is shifted due to _______________?

Related Mcqs:

1. 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...

2. 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...

3. The operating point is also called the _______________?

   A. Cut off point B. Quiescent point C. Saturation point D. None of the above...

4. 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....

5. 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...

6. 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...

7. 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...

8. 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...

9. 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...

10. 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...