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M4- Electronics Fundamentals

Authored by Mohammed Musthafa

Engineering

University

Used 25+ times

M4- Electronics Fundamentals
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50 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the most important elements used for semiconductors?

Copper and Aluminum

Silicon and Germanium

Iron and Nickel

Gold and Silver

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a semiconductor diode?

To amplify electrical signals

To allow current to flow in only one direction

To store electrical energy

To convert AC to DC

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the threshold voltage for a silicon diode?

0.3 volts

0.7 volts

1.2 volts

2.0 volts

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the resistance of a silicon diode in the forward-biased condition above the threshold voltage?

It becomes very high

It becomes very low

It remains unchanged

It fluctuates

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of diode is primarily used in communication technology?

Rectifier diodes

High power diodes

Microdiodes

Zener diodes

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should a serviceable diode show on a multimeter when tested in the forward bias direction?

High resistance

Low resistance

Around 0.7 volts

Zero volts

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might diodes be connected in series?

To increase the forward current

To increase the reverse voltage capacity

To decrease the forward voltage

To decrease the reverse current

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