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

00:00
Question # 1

Output resistance of an op amp is

Question # 2

The use of LDR is in the circuit of.

Question # 3

An expression for gain of an inverting amplifier is

Question # 4

Light emitting diodes are made from semiconductors.

Question # 5

During negative half cycle of A.c then p-n junction offers.

Question # 6

The impurity in the germinium is usually in the ratio of

Question # 7

Which one has greater cone of impurity among all:

Question # 8

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

Question # 9

Depletion region carries.

Question # 10

The open loop gain of the amplifier is order of.

Question # 11

Transistor was invented by:

Question # 12

The P.D develop in case of germanium is:

Question # 13

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

Question # 14

NAND gate represented by:

Question # 15

Doping is made comparatively larger in

Question # 16

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

Question # 17

The mathematical symbol for NOR operation is

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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 Light emitting diodes are made from semiconductors.
A. Silicon
B. Germanium
C. Carbon
D. Gallium arsenide
2 NAND gate represented by:
A. X = A. B
B. X = A+B
C. X= A.B
D. X=|A+B|
3 For rectification we use.
A. Transformer
B. Diode
C. Choke
D. Generator
4 The output voltage of a rectifier is.
A. Smooth
B. Pulsating
C. Alternating
D. Per featly direct
5 The sensor of light is.
A. Transistor
B. LED
C. Diode
D. Light dependent resistance
6 Depletion region carries.
A. -ve charge
B. +ve charge
C. Ions
D. No charge
7 A diode characteristic curve is a plot between
A. Current and time
B. Voltage and time
C. Voltage and current
D. Forward voltage and reverse voltage
8 Transistor was discovered by
A. Young
B. Curie
C. John Bardeen
D. Shale's
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 A light emitting diode emits light only when
A. Reverse biased
B. Forward biased
C. Unbiased
D. None of these

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