Transistors

Transistors

Professional Development

60 Qs

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Transistors

Transistors

Assessment

Quiz

Other

Professional Development

Hard

Created by

Mahalakshmi S

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60 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When transistors are used in digital circuits they usually operate in the:

active region

breakdown region

saturation and cutoff regions

linear region

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. A bipolar junction transistor has beta=250 and base current=10micro ampere. What is the collector current?

500 µ A

500 mA

2.5 mA

50 mA

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A current ratio of IC/IE is usually less than one and is called:

beta

theta

alpha

omega

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

With the positive probe on an NPN base, an ohmmeter reading between the other transistor terminals should be

open

infinite

low resistance

high resistance

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a C-E configuration, an emitter resistor is used for:

stabilization

ac signal bypass

collector bias

higher gain

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Voltage-divider bias provides:

an unstable Q point

a stable Q point

a Q point that easily varies with changes in the transistor's current gain

a Q point that is stable and easily varies with changes in the transistor’s current gain

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To operate properly, a transistor's base-emitter junction must be forward biased with reverse bias applied to which junction?

collector-emitter

collector-base

base-emitter

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