If a transistor is operated in such a way that output current flows for 60o of the input signal, then it is ______________ operation?

Related Mcqs:

1. 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

2. 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

3. When an input signal 1 is applied to a NOT gate, the output is ______________?

   A. 0
   B. 1
   C. Either 0 & 1
   D. None of the above

4. The output signal voltage and current of a power amplifier are 5V and 200 mA; the values being r.m.s. What is the power output ?

   A. 1 W
   B. 2 W
   C. 4 W
   D. None of the above

5. 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

6. The leakage current in a silicon transistor is about_____________ the leakage current in a germanium transistor?

   A. One hundredth
   B. One tenth
   C. One thousandth
   D. One millionth

7. 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

8. The same signal in Problem 2 is applied to an RC high-pass filter. If the reactance is zero at the input frequency, the output voltage is____________?

   A. 12.73 V peak-to-peak
   B. 18 V peak-to-peak
   C. 9 V peak-to-peak
   D. zero

9. If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ____________?

   A. 20 kΩ
   B. 2 kΩ
   C. 10 kΩ
   D. 5 kΩ

10. For the same a.c. power output as above, what should be the minimum power rating of transistor for class B operation?

    A. 10 W
    B. 4 W
    C. 8 W
    D. None of the above