LEDS review

LEDS review

9th - 12th Grade

19 Qs

quiz-placeholder

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LEDS review

LEDS review

Assessment

Quiz

Other

9th - 12th Grade

Hard

Created by

Mike Paquette

Used 2+ times

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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

full form of LED

light emitting diode

light limiting diode

light storing diode

light electrification diode

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

led works only in ______ bias

Forward

Reverse

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The colour of emitted light from LED depends on

physical dimensions of LED

Number of available carriers

Type of semiconductor material used

Number of recombinations taking place

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The advantage of LED is

Low operating voltage

Long Life

Small in Size

All the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An LED made up of ______________________

Germanium

Silicon

Silicon Carbide

None

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In LED electron energy form of ______________________

Hole

Electron

Neutron

Photon

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An LED is called __________

Direct gap type semiconductor

Indirect gap type semiconductor

Forbidden gape type

None

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