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

FSC Part 2 Physics
Chapter 18 Test

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FSC Part 2 Physics Chapter Wise Test
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Physics FSC Part 2 Chapter 18 Online MCQ's Test

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Question # 1

In photovoltaic cell, current is directly proportional to.

Question # 2

A transistor has parts:

Question # 3

The gain of transistor amplifier depends upon

Question # 4

Logic gate can control some physical parameters like.

Question # 5

Which device is used as a rectifier?

Question # 6

Conversation of only one half of A.C. into D.C. is called.

Question # 7

In an N-type silicon, which of the following statement is true?

Question # 8

Pulsating output of full wave rectifier can be made smooth by using circuit called.

Question # 9

X=A+B is the mathematical notation for.

Question # 10

LDR becomes necessary when op amp is used as a

Question # 11

Transistors are made from

Question # 12

The open loop gain of the amplifier is order of.

Question # 13

A.C. can be converted into D.C. by

Question # 14

A diode characteristics curve is a plot between

Question # 15

An expression for gain of an inverting amplifier is

Question # 16

A device which converts low voltage or current to high voltage or current is called.

Question # 17

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

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FSC Part 2 Physics Chapter 18 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A photo diode can turn its current ON and OFF in
A. Micro seconds
B. Mega seconds
C. Nano seconds
D. Mili seconds
2 Transistor was invented by:
A. Bardeen
B. Micheal faraday
C. Lenz
D. Newton
3 OR gate is represented by:
A. X = A+B
B. X=A.B
C. X=A+B
D. X=A.B
4 Pulsating output of full wave rectifier can be made smooth by using circuit called.
A. Filter
B. Amplifier
C. Resistor
D. Transistor
5 The input resistance of an op amplifier is.
A. Low
B. High
C. Zero
D. Equal to output resistance
6 The potential barrier for silicon is.
A. 0.7 V
B. 0.5 V
C. 0.3 V
D. 0.9 V
7 A light emitting diode emits light only when
A. Reverse biased
B. Forward biased
C. Unbiased
D. None of these
8 Doping is made comparatively larger in
A. Emitter
B. Base
C. Collector
D. P -type semi conductor
9 Which component of the transistor has greater contrition of impurity.
A. Base
B. Emitter
C. Collector
D. Emitter and collector
10 The sensor of light is.
A. Transistor
B. LED
C. Diode
D. Light dependent resistance

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