In a transistor ______________?

Related Mcqs:

1. The phase difference between the input and output voltages of a transistor connected in common emitter arrangement is___________?

   A. 0o
   B. 180o
   C. 90o
   D. 270o

2. A transistor has____________?

   A. one pn junction
   B. two pn junctions
   C. three pn junctions
   D. four pn junctions

3. The voltage gain of a transistor connected in common collector arrangement is____________?

   A. equal to 1
   B. more than 10
   C. more than 100
   D. less than 1

4. The most commonly used semiconductor in the manufacture of a transistor is_____________?

   A. germanium
   B. silicon
   C. carbon
   D. none of the above

5. The collector-base junction in a transistor has___________?

   A. forward bias at all times
   B. reverse bias at all times
   C. low resistance
   D. none of the above

6. At the base-emitter junctions of a transistor, one finds___________?

   A. a reverse bias
   B. a wide depletion layer
   C. low resistance
   D. none of the above

7. The collector of a transistor is____________doped?

   A. heavily
   B. moderately
   C. lightly
   D. none of the above

8. As the temperature of a transistor goes up, the base-emitter resistance___________?

   A. decreases
   B. increases
   C. remains the same
   D. none of the above

9. BC 147 transistor indicates that it is made of____________?

   A. germanium
   B. silicon
   C. carbon
   D. none of the above

10. The input impedance of a transistor is___________?

    A. high
    B. low
    C. very high
    D. almost zero