Electric Fields and Semiconductors Quiz

Electric Fields and Semiconductors Quiz

1st Grade

35 Qs

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Electric Fields and Semiconductors Quiz

Electric Fields and Semiconductors Quiz

Assessment

Quiz

Other

1st Grade

Practice Problem

Medium

Created by

Đức Lê

Used 4+ times

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35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What defines a uniform electric field?

The magnitude of the electric field varies at different points.

Electric field lines form closed loops.

Electric field lines are parallel and equidistant.

Electric field lines converge at a single point.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following factors directly contributes to the decrease in mobility of charge carriers as the temperature increases in a semiconductor?

Decreased carrier concentration.

Increased scattering of charge carriers due to lattice vibrations.

Decreased thermal energy of the system.

Increased diffusion of charge carriers.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about the force on a charge in a uniform electric field?

It is independent of the charge magnitude.

It depends on the direction of the charge's motion.

It remains constant for a given charge.

It varies with the position of the charge.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is electric potential at a point in an electric field?

The electric field multiplied by distance.

The force experienced by a unit charge at that point.

The work done per unit charge in bringing a charge from infinity to that point.

The rate of change of electric flux with time.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a neutral atom loses an electron, it becomes:

Free electron.

Nuclei.

A positive ion, or Cation.

A negative ion or Anion.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many structure types of solids exist?

7

3

9

5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which material is typically used for the gate electrode in a MOSFET?

Polysilicon.

Copper.

Silicon dioxide (SiO2).

Aluminum.

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