Choose the correct option. 1. When operated in cutoff and saturation, the transistor acts like a a) linear amplifier b) switch c) variable capacitor d) variable resistor 2. A circuit contains two...

Choose the correct option.

1. When operated in cutoff and saturation, the transistor acts like a

a) linear amplifier

b) switch

c) variable capacitor

d) variable resistor

2. A circuit contains two un-equal resistances in parallel

a) current is same in both

b) large current flows in larger resistor

c) potential difference across each is same

d) smaller resistance has smaller conductance

3. Which of the following is true for a bipolar junction transistor

a) IB is controlled by RB

b) IB is controlled by VBB

c) VCE is controlled by IB

d) IC is controlled by IB

e) All of the above

4. Which of the following are made of transistors

a) Integrated Circuits (ICs)

b) Microprocessors

c) Logic Gates

d) All of the above

5. Multisim is used for

a) Programming

b) Inserting multiple sims into a software

c) Constructing real world circuits in software environment

d) all of the above

5. In cutoff, VCE is equal to

a) 0

b) Minimum

c) VCC

d) VBB

6. Which characteristic of a transistor is utilized in modern digital systems functionality

a) Amplification

b) Switiching

c) Rectification

d) Biasing

7. In saturation, VCE is equal to

a) 0

b) Minimum

c) VCC

d) VBB

8. When one leg of parallel circuit is opened out the total current will

a) reduce

b) increase

c) decrease

d) become zero

9. In Uni-train based labs, how many signals we can observe as input to an oscilloscope?

a) 1

b) 2

c) 3

d) 4

10. In case of open circuit __________ current will flow in the circuit

a) zero

b) very low

c) Normal

d) Infinite

11. The bypass capacitor is connected with a transistor to

a) Remove DC

b) Bypassing AC to reduce noise

c) Both of the above

d) None of the above

12. The work "Bias" is used in electronics for

a) the amount of current across a diode

b) a dc voltage is applied to control the operation of a device

c) he ratio of majority carriers to minority carriers

d) None of the above

13. Zener diode can not operate in forward biased region

a) True

b) False

14. The Beta of a transistor is its

a) current gain

b) voltage gain

c) power gain

d) internal resistance

15. In many cases, short circuit at houses/industry is a cause of fire. Short circuits are responsible for fire because of

a) high voltage

b) high current

c) high resistance

d) All of the above

16. The resistance of a 100 W, 200 V lamp is

a) 100 ohm

b) 200 ohm

c) 400 ohm

d) 1600 ohm

Jun 10, 2022

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Choose the correct option. 1. When operated in cutoff and saturation, the transistor acts like a a) linear amplifier b) switch c) variable capacitor d) variable resistor 2. A circuit contains two...

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