The disadvantage of base resistor method of transistor biasing is that it_________________?

Related Mcqs:

1. The parallel combination of a 6.8 kΩ resistor and a 10 kΩ resistor is in series with the parallel combination of a 2.2 kΩ resistor and a 1 kΩ resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)___________?

   A. 6.8 kΩ
   B. 2.2 kΩ
   C. 6.8 kΩ and 10 kΩ
   D. 2.2 kΩ and 1 kΩ

2. A silicon transistor is biased with base resistor method. If ß=100, VBE =0.7 V, zero signal collector current IC = 1 mA and VCC = 6V , what is the value of the base resistor RB ?

   A. 105 kO
   B. 530 kO
   C. 315 kO
   D. None of the above

3. A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately___________?

   A. 14 mA
   B. 1.4 mA
   C. 5 mA
   D. 50 mA

4. The parallel combination of a 470 Ω resistor and a 1.2 kΩ resistor is in series with the parallel combination of three 3 kΩ resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of____________?

   A. 470 Ω or 1.2 kΩ
   B. 3 kΩ
   C. 470 Ω
   D. 1.2 kΩ

5. The parallel combination of a 470 Ω resistor and a 1.5 kΩ resistor is in series with the parallel combination of five 1 kΩ resistors. The source voltage is 50 V. The percentage of the load current through any single 1 KΩ resistor is__________?

   A. 25 %
   B. 20 %
   C. 100 %
   D. 50 %

6. Transistor biasing represents ______________ conditions?

   A. a.c
   B. d.c
   C. both a.c. and d.c
   D. none of the above

7. Transistor biasing is generally provided by a_______________?

   A. Biasing circuit
   B. Bias battery
   C. Diode
   D. None of the above

8. Transistor biasing is done to keep _____________in the circuit?

   A. Proper direct current
   B. Proper alternating current
   C. The base current small
   D. Collector current small

9. 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

10. The base resistor method is generally used in ________________?

    A. Amplifier circuits
    B. Switching circuits
    C. Rectifier circuits
    D. None of the above