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Diode and Transistor Quiz 1 most important

Authored by Ali Alali

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Diode and Transistor Quiz 1 most important
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53 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of a diode?

To regulate voltage

To allow current in one direction only

To amplify current

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The threshold voltage for a silicon diode is approximately:

0.3 V

0.5 V

0.7 V

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which diode type is used for voltage regulation?

Schottky diode

Zener diode

Varactor diode

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What component emits light when forward biased?

Photodiode

LED

Zener diode

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the color of light emitted by GaAsP LEDs?

Blue

Red

Green

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when a diode is reverse biased?

It conducts current

It amplifies voltage

It blocks current

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a free-wheeling diode in a relay circuit?

Amplify signals

Protect against back-EMF

Reverse polarity

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