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Electronic Devices and Circuits

Electronic Devices and Circuits
In a bipolar transistor, the emitter base junction has

Zero or reverse bias
Zero bias
Reverse bias
Forward bias

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Electronic Devices and Circuits
Piezoelectric quartz crystal resonators find application where

Rectification of the signal is required
Modulation of signal is required
Signal frequency control is required
Signal amplification is required

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Electronic Devices and Circuits
The depletion layer width of Junction

Decreases with light doping
Is independent of applied voltage
Increases with heavy doping
Is increased under reverse bias

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Electronic Devices and Circuits
In a bipolar transistor, the base collector junction has

Zero or forward bias
Reverse bias
Forward bias
Zero bias

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Electronic Devices and Circuits
Light dependent resistors are

Highly doped semiconductor
Either A or B
Lightly doped semiconductor
Intrinsic semiconductor

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Electronic Devices and Circuits
Which of the following has highest resistivity?

Paraffin wax
Mica
Mineral oil
Air

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