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Semiconductor Physics Quiz

Authored by Dr. J.Anitha

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University

Used 34+ times

Semiconductor Physics Quiz
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factor determines the direction of the Hall voltage in a semiconductor?

Electric field direction

Magnetic field direction

Current direction

Temperature gradient

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary use of the Hall effect in semiconductors?

Measuring voltage

Determining carrier mobility

Calculating resistance

Amplifying signal

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does carrier recombination affect the conductivity of a semiconductor?

Increases conductivity

Decreases conductivity

Has no effect

Creates more free carriers

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a consequence of excessive carrier generation?

Increased band gap

Decreased mobility

Increased recombination rate

Reduced thermal energy

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which carrier concentration remains nearly constant in an intrinsic semiconductor at equilibrium?

Electron concentration only

Hole concentration only

Product of electron and hole concentrations

Sum of electron and hole concentrations

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an n-type semiconductor, which carrier is the majority carrier?

Holes

Electrons

Ions

Photons

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between the intrinsic carrier concentration and temperature?

It decreases with temperature

It remains constant

It increases exponentially with temperature

It fluctuates randomly

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