Physics FSC Part 2 Chapter 18 Online MCQ's Test

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Physics FSC Part 2 Chapter 18 Online MCQ's Test

  • Total Questions17

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Physics FSC Part 2 Chapter 18 Online MCQ's Test

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Question # 1

Which one has greater cone of impurity among all:

Question # 2

A PN junction can not be sued a.

Question # 3

A light emitting diode emits light only when

Question # 4

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

Question # 5

For automatic Switching of streetlight, the op amplifier is used as.

Question # 6

Greater concentration of impurity is added in.

Question # 7

Photo diode is used for detection of.

Question # 8

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

Question # 9

Transistors are made from

Question # 10

The chargeless region after formation of Pn junction is called:

Question # 11

The device which are required to convert various physical quantities into electric voltage are called.

Question # 12

In case of reverse biasing, current is flown due to:

Question # 13

The potential difference across the depletion region of germanium is.

Question # 14

In a transistor, collector current is controlled by:

Question # 15

The P.D develop in case of silicon is:

Question # 16

The central region of a transistor is called.

Question # 17

LDR becomes necessary when op amp is used as a

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