The emitter of a transistor is___________doped?

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. In a transistor, the base current is about_________of emitter current?

   A. 25%
   B. 20%
   C. 35 %
   D. 5%

3. 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

4. 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

5. 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

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

   A. germanium
   B. silicon
   C. carbon
   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. BC 147 transistor indicates that it is made of____________?

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

9. The value of a of a transistor is_____________?

   A. more than 1
   B. less than 1
   C. 1
   D. none of the above

10. The input impedance of a transistor is___________?

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