2nd Year Physics Chapter 18 Online MCQ Test for 12th Class Physics Chapter 18 (Electronics)

ICS Part 2 Physics
Chapter 18 Test

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  • Total Questions17

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Physics ICS Part 2 Chapter 18 Online MCQ's Test

00:00
Question # 1

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

Question # 2

Most of the electrons in the base of an NPN transistor flow:

Question # 3

The output from a full wave rectifier is

Question # 4

The average gap for Germanium at 0K is

Question # 5

The circuit of full wave rectification consist of

Question # 6

The semi conductor diode has the property of

Question # 7

Doping is made comparatively larger in

Question # 8

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

Question # 9

Which one has greater cone of impurity among all:

Question # 10

The output of two input is zero only when its.

Question # 11

For normal use:

Question # 12

The central region of a transistor is called.

Question # 13

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

Question # 14

In full wave rectification number of diodes required are equal to.

Question # 15

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

Question # 16

The impurity in the germinium is usually in the ratio of

Question # 17

Which diode works at reverse biasing.

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18th Chapter

ICS 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 The output voltage of a rectifier is.
A. Smooth
B. Pulsating
C. Alternating
D. Per featly direct
2 Which one has greater cone of impurity among all:
A. Emitter
B. Base
C. Collector
D. All are pure
3 Transistor was discovered by
A. Young
B. Curie
C. John Bardeen
D. Shale's
4 Conversation of only one half of A.C. into D.C. is called.
A. Half wave amplification
B. Wave amplification
C. Half wave electrification
D. Half wave rectification
5 Transistors are made from
A. Plastics
B. Metals
C. Insulator
D. Doped semi conductors
6 OR gate is represented by:
A. X = A+B
B. X=A.B
C. X=A+B
D. X=A.B
7 Minimum number of semi conductor diodes required for full wave rectification are.
A. 1
B. 2
C. 3
D. 4
8 X=A+B is the mathematical notation for.
A. OR gate
B. NOR gate
C. NAND gate
D. AND gate
9 For normal transistor the emitter current can be given by
A. IE = IC
B. IE = IC + IB
C. IE = IB
D. None of these
10 Light emitting diodes are made from semiconductors.
A. Silicon
B. Germanium
C. Carbon
D. Gallium arsenide

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