Semiconductor Basics

Semiconductor Basics

12th Grade

21 Qs

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Semiconductor Basics

Semiconductor Basics

Assessment

Quiz

Computers

12th Grade

Practice Problem

Hard

Created by

drkiruthika drkruthika

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the band gap in a semiconductor?

Energy difference between the valence band and conduction band

Energy difference between the p-band and n-band

Temperature at which the semiconductor operates

Number of electrons in the semiconductor

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the process of doping in semiconductors.

Doping is a process of increasing the temperature of semiconductors.

Doping is the removal of impurities from semiconductors.

Doping in semiconductors is the intentional introduction of impurities into the crystal structure to alter its electrical properties.

Doping involves adding water to semiconductors.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe the working principle of a PN junction.

The working principle of a PN junction involves the generation of heat when current passes through it.

The working principle of a PN junction involves the formation of a depletion region and a barrier potential that enables the diode to conduct current in one direction.

The PN junction works by emitting light when current flows through it.

In a PN junction, the electrons flow from the P-type material to the N-type material.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do transistors amplify and switch electronic signals?

Transistors amplify and switch electronic signals by using mechanical switches to control the flow of current.

Transistors amplify and switch electronic signals by controlling the flow of current based on the voltage applied to a third terminal.

Transistors amplify and switch electronic signals by converting sound waves into electrical signals.

Transistors amplify and switch electronic signals by emitting light pulses to transmit data.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of diodes in electronic circuits?

Diodes in electronic circuits primarily function as one-way valves for current flow.

Diodes regulate voltage in electronic circuits.

Diodes amplify signals in electronic circuits.

Diodes store data in electronic circuits.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the concept of integrated circuits and their advantages.

Integrated circuits are miniaturized electronic circuits that contain multiple interconnected components such as transistors, resistors, and capacitors on a single semiconductor chip. Their advantages include reduced size, lower cost, increased reliability, and improved performance compared to discrete circuits.

Integrated circuits are outdated technology that is no longer used in modern electronics.

The advantages of integrated circuits include increased size, higher cost, reduced reliability, and decreased performance compared to discrete circuits.

Integrated circuits are large electronic circuits that contain only one component on a single semiconductor chip.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the conductivity of a semiconductor when it is doped with a pentavalent impurity?

The conductivity of the semiconductor increases.

The conductivity of the semiconductor decreases.

The conductivity of the semiconductor becomes negative.

The conductivity of the semiconductor remains the same.

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