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Online Tests
Ics Part 2 Physics Chapter 7 Test Online MCQs With Answers
Question # 1
Conversion of A.C into D.C is called:
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Compton effect
Rectification
Amplification
Pair production
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Question # 2
Pulsating output of full wave rectifier can be made smooth by using circuit called.
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Filter
Amplifier
Resistor
Transistor
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Question # 3
The output from a full wave rectifier is
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An ac voltage
A dc voltage
Zero
A pulsating unidirectional voltage
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Question # 4
Which component of the transistor has greater contrition of impurity.
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Base
Emitter
Collector
Emitter and collector
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Question # 5
NAND gate represented by:
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X = A. B
X = A+B
X= A.B
X=|A+B|
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Question # 6
For automatic Switching of streetlight, the op amplifier is used as.
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Inductor
Converter
Comparator
Thermistor
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Question # 7
Greater concentration of impurity is added in.
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Base
Emitter
Collector
LED
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Question # 8
Transistors are made from
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Plastics
Metals
Insulator
Doped semi conductors
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Question # 9
In case of reverse biasing, current is flown due to:
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Minority charge carriers
Majority charge carriers
Electrons
Protons
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