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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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 18 Online MCQ's Test"

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Physics ICS Part 2 Chapter 18 Online MCQ's Test

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Question # 1

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

Question # 2

Improper bisting of a transistor circiut produces:

Question # 3

Which one has greater cone of impurity among all:

Question # 4

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

Question # 5

NAND gate represented by:

Question # 6

Which diode works at reverse biasing.

Question # 7

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

Question # 8

The use of LDR is in the circuit of.

Question # 9

In photovoltaic cell, current is directly proportional to.

Question # 10

Transistor was discovered by

Question # 11

In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because

Question # 12

When transistor are used in digital circuits they usually operate in the :

Question # 13

Which component of the transistor has greater contrition of impurity.

Question # 14

The open loop gain of the amplifier is order of.

Question # 15

A photo diode can turn its current ON and OFF in

Question # 16

The input resistance of an op amplifier is.

Question # 17

The circuit of full wave rectification consist of

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The input resistance of an op amplifier is.
A. Low
B. High
C. Zero
D. Equal to output resistance
2 Conversion of A.C into D.C is called:
A. Compton effect
B. Rectification
C. Amplification 
D. Pair production
3 the number of terminals in a semiconductor diode are
A. 2
B. 3
C. 4
D. 5
4 The term invertor is used for.
A. NOR gate
B. XNOR gate
C. NAND gate
D. NOT gate
5 Doping is made comparatively larger in
A. Emitter
B. Base
C. Collector
D. P -type semi conductor
6 In full wave rectification number of diodes required are equal to.
A. 2
B. 3
C. 4
D. 5
7 Which one has greater cone of impurity among all:
A. Emitter
B. Base
C. Collector
D. All are pure
8 Transistor was discovered by
A. Young
B. Curie
C. John Bardeen
D. Shale's
9 The mathematical symbol for NOR operation is
B. X = A . B
C. X = A + D
10 Improper bisting of a transistor circiut produces:
A. Heavy loading of emitter current
B. Distortion in the output output signal
C. Excessive heat at collector terminal
D. Faculty location of load line

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