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Electronic Devices and Circuits

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

Forward bias
Zero or reverse bias
Reverse bias
Zero bias

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Electronic Devices and Circuits
For a P-N diode, the number of minority carriers crossing the junction depends on

Forward bias voltage
Rate of thermal generation of electron hole pairs
Potential barrier
None of these

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Electronic Devices and Circuits
In a semiconductor diode, the barrier offers opposition to

Majority carriers in both regions
Majority as well as minority carriers in both regions
Free electrons in N-region only
Holes in P-region only

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Electronic Devices and Circuits
At room temperature the current in an intrinsic semiconductor is due to

Holes
Electrons
Ions
Holes and electrons

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Electronic Devices and Circuits
When avalanche breakdown occurs covalent bonds are not affected.

False
True

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Electronic Devices and Circuits
Piezoelectric quartz crystal resonators find application where

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

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MORE MCQ ON Electronic Devices and Circuits

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