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Electronic Devices and Circuits
The amount of photoelectric emission current depends on
Frequency of incident radiation
Both frequency and intensity of incident radiation
None of these
Intensity of incident radiation
Frequency of incident radiation
Both frequency and intensity of incident radiation
None of these
Intensity of incident radiation
Answer
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Related Question
Electronic Devices and Circuits
In a bipolar transistor, the base collector junction has
Reverse bias
Zero or forward bias
Forward bias
Zero bias
Reverse bias
Zero or forward bias
Forward bias
Zero bias
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
A is false but R is true
Both A and R are true but R is not a correct explanation of A
Both A and R are true and R is correct explanation of A
A is true but R is false
A is false but R is true
Both A and R are true but R is not a correct explanation of A
Both A and R are true and R is correct explanation of A
Answer
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Electronic Devices and Circuits
Forbidden energy gap in germanium at 0 K is about
0.78 eV
5 eV
10 eV
2 eV
0.78 eV
5 eV
10 eV
2 eV
Answer
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Electronic Devices and Circuits
Piezoelectric quartz crystal resonators find application where
Modulation of signal is required
Rectification of the signal is required
Signal amplification is required
Signal frequency control is required
Modulation of signal is required
Rectification of the signal is required
Signal amplification is required
Signal frequency control is required
Answer
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Electronic Devices and Circuits
Silicon is not suitable for fabrication of light emitting diodes because it is
Direct band gap semiconductor
An indirect band gap semiconductor
Narrowband gap semiconductor
Wideband gap semiconductor
Direct band gap semiconductor
An indirect band gap semiconductor
Narrowband gap semiconductor
Wideband gap semiconductor
Answer
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