Analog Circuits Mock Test 4

10%

Question 1 of 10

1. Reverse saturation current of a common emitter transistor is __________

Collector current when emitter is open circuited and base-collector junction is reverse biased

Base current when emitter circuit is open circuited and emitter-collector junction is reverse biased

Collector current when base circuit is open circuited

Emitter current when collector is open circuited and base-collector junction is reverse biased

Question 1 of 10

Question 2 of 10

2. Assuming the diode in the given circuit diagram to be a silicon p-n junction diode, what is the current for the given circuit diagram?

43 mA

5 mA

4.3 mA

Question 2 of 10

Question 3 of 10

3. Which of the following configuration is used for audio signal amplification?

Common base configuration

Common collector configuration

All configurations are equally suited

Common emitter configuration

Question 3 of 10

Question 4 of 10

4. What is the logic gate implemented in the following circuit?

AND

NOT

NOR

Question 4 of 10

Question 5 of 10

5. Which of the following voltages may be considered as a safe and sufficient voltage for the operation of a LED?

0.7 V

2.7 V

5 V

-5 V

Question 5 of 10

Question 6 of 10

6. A silicon semiconductor diode when subjected to ohmmeter testing gives low resistance in both directions. Which of the following is the correct inference to be drawn?

Diode is faulty

Diode is short-circuited

Diode is open circuited

Power failure to the Ohmmeter

Question 6 of 10

Question 7 of 10

7. In the given circuit, what is the value of current through the silicon diode?

9.3 mA

0 mA

9.7 mA

10 mA

Question 7 of 10

Question 8 of 10

8. From the given circuit, what is the value of current flowing through the 1 k resistor?

0.7 mA

10 mA

9.3 mA

0 mA

Question 8 of 10

Question 9 of 10

9. At saturation, which of these is not true for a BJT?

The base current I_B, cannot increase further

V_CE(saturation) is the minimum voltage drop between C and E

The collector current I_C cannot increase further

The collector-to-emitter voltage, V_CE is due to the non-zero internal resistance of BJT

Question 9 of 10

Question 10 of 10

10. Reverse collector saturation current I_CBO is __________

Collector current when base current is zero

Collector current when emitter current is zero

Collector current when either emitter or base current is zero

Same as reverse saturation current

Question 10 of 10