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

Which device is used as a rectifier?

Question # 2

Logic gate can control some physical parameters like.

Question # 3

The colour of light emitted by a LED depends on.

Question # 4

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

Question # 5

The P.D develop in case of silicon is:

Question # 6

Photo diode is used for detection of.

Question # 7

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

Question # 8

Which component of the transistor has greater contrition of impurity.

Question # 9

The chargeless region after formation of Pn junction is called:

Question # 10

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

Question # 11

Minimum number of semi conductor diodes required for full wave rectification are.

Question # 12

Which diode works at reverse biasing.

Question # 13

NAND gate represented by:

Question # 14

The term invertor is used for.

Question # 15

The open loop gain of the amplifier is order of.

Question # 16

The output voltage of a rectifier is.

Question # 17

OR gate is represented by:

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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 Photo diode detects.
A. Visible light
B. Radio waves
C. X rays
D. All of them
2 Which device is used as a rectifier?
A. Capacitor
B. Transistor
C. Diode
D. Transformer
3 Logic gate can control some physical parameters like.
A. Temperature, Pressure
B. Resistance, Inductance
C. Capacitance, Impedance
D. Current, voltage
4 Base of transistor is of order:
A. 10-11m
B. 106m
C. 10-8m
D. 10-6m
5 A.C. can be converted into D.C. by
A. An oscillator
B. Detector
C. An amplifier
D. Rectifier
6 Output resistance of an op amp is
A. High
B. Low
C. Zero
D. Equal to input resistance
7 In case of reverse biasing, current is flown due to:
A. Minority charge carriers
B. Majority charge carriers
C. Electrons
D. Protons
8 _______ is the building block of every electronic circuit.
A. Semi conductor diode
B. Resistor
C. Capacitor
D. Amplifier
9 The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of.
A. Ohms
B. Kilo Ohms
C. Mega Ohms
D. Thounds Ohms
10 The output from a full wave rectifier is
A. An ac voltage
B. A dc voltage
C. Zero
D. A pulsating unidirectional voltage

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