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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:
Choose an answer
Compton effect
Rectification
Amplification
Pair production
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Question # 2
Minimum number of semi conductor diodes required for full wave rectification are.
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1
2
3
4
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Question # 3
Automatic function of street light can be done by the use of.
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Inductor
Rectifier
Comparator
emf
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Question # 4
The output voltage of a rectifier is.
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Smooth
Pulsating
Alternating
Per featly direct
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Question # 5
Transistor was invented by:
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Bardeen
Micheal faraday
Lenz
Newton
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Question # 6
The colour of light emitted by a LED depends on.
Choose an answer
It forward biased
Its reverse biased
Unbiased
None of these
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Question # 7
Base of transistor is of order:
Choose an answer
10
-11
m
10
6
m
10
-8
m
10
-6
m
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Question # 8
Which diode works at reverse biasing.
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LED
Photo voltaic cell
Photo diode
Silicon diode
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Question # 9
When transistor are used in digital circuits they usually operate in the :
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Active region
Break down region
Saturation & cutoff regions
Linear region
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