Quiz 1_COE67-211

Quiz 1_COE67-211

University

15 Qs

quiz-placeholder

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Quiz 1_COE67-211

Quiz 1_COE67-211

Assessment

Quiz

Engineering

University

Medium

Created by

MD ESHRAT E ALAHI

Used 4+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On a physical diode component, how is the cathode typically identified?

By a stripe mark

It is the longer of the two leads

By a red dot

It is the thicker of the two leads

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process called where electrons move from an area of high concentration to an area of lower concentration?

Depletion

Bias

Rectification

Diffusion

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The depletion region in a PN junction is formed because...

of the application of an external voltage.

electrons and holes combine and cancel their net charges at the junction.

the effect of temperature on the semiconductor.

the movement of the entire P-type material.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For a diode to become forward-biased, the voltage across it must be...

exactly zero volts.

less than the diode's threshold voltage.

greater than the diode's threshold voltage.

equal to the breakdown voltage.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following polarity arrangements describes a reverse-biased condition?

The P-type material is more positive than the N-type.

The P-type material is more negative than the N-type.

The anode and cathode are at the same potential.

Current flows freely through the junction.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the practical diode's I-V characteristic curve, the Breakdown Region occurs when...

v > 0

v < -Vzk

-Vzk < v < 0

v = 0.7 V

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which specialized type of diode is designed to emit light when forward-biased?

Zener Diode

Photodiode

Schottky Diode

Light Emitting Diode

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