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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Physics FSC Part 2 Chapter 18 Online MCQ's Test

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Question # 1

Photodiode is used for:

Question # 2

The semi conductor diode has the property of

Question # 3

Greater concentration of impurity is added in.

Question # 4

A light emitting diode emits light only when

Question # 5

Photo diode detects.

Question # 6

Which is not fundamental logic gate.

Question # 7

Output resistance of an op amp is

Question # 8

The device which are required to convert various physical quantities into electric voltage are called.

Question # 9

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

Question # 10

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

Question # 11

The term invertor is used for.

Question # 12

For normal use:

Question # 13

Base of transistor is of order:

Question # 14

A diode characteristics curve is a plot between

Question # 15

Photo diode is used for detection of.

Question # 16

Light emitting diodes are made from semiconductors.

Question # 17

Improper bisting of a transistor circiut produces:

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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 The symbol of p-n-p transistor is
2 The average gap for Germanium at 0K is
A. 1.12 ev
B. 0.02 ev
C. 6.72 ev
D. 7.2 ev
3 Logic gate can control some physical parameters like.
A. Temperature, Pressure
B. Resistance, Inductance
C. Capacitance, Impedance
D. Current, voltage
4 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
5 In a certain circuit, IB = 40 µA, IC = 20 mA
A. 450 amp
B. 0.45 amp
C. 5 m amp
D. 500 amp
6 The gain of transistor amplifier depends upon
A. Resistance connected with collector
B. Resistance connected with base voltage
C. Input voltage
D. Output voltage
7 The use of LDR is in the circuit of.
A. Logic gate
B. Rectifier
C. Oscillator
D. High Switch
8 The sensor of light is.
A. Transistor
B. LED
C. Diode
D. Light dependent resistance
9 A PN junction can not be sued a.
A. Rectifier
B. Amplifier
C. Detector
D. LED
10 A transistor has:
A. Two regions
B. Three regions
C. Single regions
D. Four regions

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