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Physics KV Class 12

Authored by Indu Wadhwa

Physics

12th Grade

NGSS covered

Used 32+ times

Physics KV Class 12
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20 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Materials which can conduct electricity better than insulator,but not as well as conductors. This is the definition of

diode

semiconductor

conductor

insulator

superconductor

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which is not one of the properties of semiconductor?

4 electrons in outermost orbit, in covalent bonding.

atoms vibrate causes electron to break free from the bonds.

Electron free leaves hole.

Semiconductor has 2 types of charge carriers.

all of the above are the properties of it

Tags

NGSS.HS-PS2-6

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

These are the characteristics of Trivalent impurities except

•3 valence electrons

•produce p-type semiconductors

•producing a "hole".

Antimony, arsenic, and phosphorus are the examples

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The characteristics of p-type semiconductors is includes

Majority carriers are electron

Has tendency to gain electron

Has tendency to donor electron

Easy to conduct electricity

Tags

NGSS.HS-PS1-3

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The process of adding an impurity to an intrinsic semiconductor is called

Doping

Ionization

Recombination

Atomic modification

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the most common semiconductor material used for producing integrated circuits

Quartz

Silicon

Diamond

Tantalum

Tags

NGSS.HS-PS2-6

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

How is conduction increased in an p-type semiconductor?

by increased applied electrical field

by decreased applied electrical field

by the availability of extra holes

by the availability of donor electrons

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