Second Year Physics Chapter 18 Online MCQ Test for 2nd Year Physics Chapter 18 Electronics Preparation

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FSC Part 2 Physics Chapter 18 Online Test MCQ's

Physics FSC Part 2 Chapter 18 Online MCQ's Test

Try the Physics FSC Part 2 Chapter 18 Online MCQ's Test.

  • Total Questions17

  • Time Allowed20

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Physics FSC Part 2 Chapter 18 Online MCQ's Test

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Question # 1

The reverse saturation current in a PN junction diode is only due to:

Question # 2

The potential barrier for silicon is.

Question # 3

Doping is made comparatively larger in

Question # 4

A light emitting diode emits light only when

Question # 5

Which device is used as a rectifier?

Question # 6

In a transistor, collector current is controlled by:

Question # 7

The colour of light emitted by a LED depends on.

Question # 8

The output voltage of a rectifier is.

Question # 9

The potential difference across depletion region in case of Si is

Question # 10

The output from a full wave rectifier is

Question # 11

Conversion of A.C into D.C is called:

Question # 12

The mathematical symbol for NOR operation is

Question # 13

Improper bisting of a transistor circiut produces:

Question # 14

Which component of the transistor has greater contrition of impurity.

Question # 15

For normal transistor the emitter current can be given by

Question # 16

Reverse current flows due to

Question # 17

In a transistor, collector current is controlled by:

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