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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
Reverse bias
Zero bias
Forward bias

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Electronic Devices and Circuits
Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is

Normal to both current and magnetic field
Antiparallel to magnetic field
In the direction of current
In arbitrary direction

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Electronic Devices and Circuits
Forbidden energy gap in germanium at 0 K is about

5 eV
2 eV
0.78 eV
10 eV

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Electronic Devices and Circuits
In the sale of diamonds the unit of weight is carat. One carat is equal to

100 mg
500 mg
150 mg
200 mg

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Electronic Devices and Circuits
In monolithic ICs, all the components are fabricated by

None
Diffusion process
Oxidation
Evaporation

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Electronic Devices and Circuits
Piezoelectric quartz crystal resonators find application where

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

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