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Electronic Devices and Circuits
Free electrons exist in
First band
Third band
Conduction band
Second band
First band
Third band
Conduction band
Second band
Answer
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Related Question
Electronic Devices and Circuits
Light dependent resistors are
Highly doped semiconductor
Either A or B
Intrinsic semiconductor
Lightly doped semiconductor
Highly doped semiconductor
Either A or B
Intrinsic semiconductor
Lightly doped semiconductor
Answer
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Electronic Devices and Circuits
Assertion (A): In p-n-p transistor collector current is termed negative.Reason (R): In p-n-p transistor holes are majority carriers.
A is true but R is false
Both A and R are true but R is not a correct explanation of A
A is false but R is true
Both A and R are true and R is correct explanation of A
A is true but R is false
Both A and R are true but R is not a correct explanation of A
A is false but R is true
Both A and R are true and R is correct explanation of A
Answer
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Electronic Devices and Circuits
Permalloy is
A variety of stainless steel
A conon-ferrous alloy used in aircraft industry
A nickel an iron alloy having high permeability
A polymer
A variety of stainless steel
A conon-ferrous alloy used in aircraft industry
A nickel an iron alloy having high permeability
A polymer
Answer
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Electronic Devices and Circuits
In a bipolar transistor, the emitter base junction has
Reverse bias
Zero bias
Forward bias
Zero or reverse bias
Reverse bias
Zero bias
Forward bias
Zero or reverse bias
Answer
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Electronic Devices and Circuits
The sensitivity of human eyes is maximum at
Green portion of spectrum
White portion of spectrum
Red portion of spectrum
Violet portion of spectrum
Green portion of spectrum
White portion of spectrum
Red portion of spectrum
Violet portion of spectrum
Answer
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