Analog Circuits Mock Test 4

10%

Question 1 of 10

1. To overcome the problem of representation of large values of gain, which of the following units was introduced?

Pascals

Decibels

Joules

Farads

Question 1 of 10

Question 2 of 10

2. What is the expected reading obtained on a Digital Display Meter with diode-checking function when a proper functioning silicon semiconductor diode is connected across its leads in the forward bias configuration?

0.67 V

Open Loop Indication

0.3 V

Varies with the diode

Question 2 of 10

Question 3 of 10

3. Reverse collector saturation is greater than Reverse saturation current because of reverse collector saturation __________

Is ideal

Doesn’t include leakage current

They are same

Include avalanche multiplication current which is caused by the collision in collector junction

Question 3 of 10

Question 4 of 10

4. What is the expected reading obtained on a Digital Display Meter with diode-checking function when a proper functioning silicon semiconductor diode is connected across its leads in the reverse bias configuration?

Open Loop Indication

0.67 V

Varies with the diode

0.3 V

Question 4 of 10

Question 5 of 10

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

AND

NOR

NOT

Question 5 of 10

Question 6 of 10

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

The base current I_B, cannot increase further

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

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

The collector current I_C cannot increase further

Question 6 of 10

Question 7 of 10

7. 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 7 of 10

Question 8 of 10

8. 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?

4.3 mA

5 mA

43 mA

Question 8 of 10

Question 9 of 10

9. Reverse collector saturation current I_CBO is __________

Collector current when either emitter or base current is zero

Collector current when emitter current is zero

Collector current when base current is zero

Same as reverse saturation current

Question 9 of 10

Question 10 of 10

10. Choose the incorrect option according to self bias circuit?

Excellent stability in collector current is achieved

Stability factor is independent of collector resistance

Voltage gain increases

BJT can be used in either of the three configurations

Question 10 of 10