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Electronic Devices and Circuits

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

5 eV
0.78 eV
10 eV
2 eV

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

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

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Electronic Devices and Circuits
In which of these is reverse recovery time nearly zero?

Tunnel diode
Zener diode
PIN diode
Schottky diode

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Electronic Devices and Circuits
Which one of the following is not a characteristic of a ferroelectric material?

Electric dipole moment
High dielectric constant
Ferroelectric characteristic only above the curie point
No hysteresis

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

None
Evaporation
Diffusion process
Oxidation

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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
In the direction of current
Antiparallel to magnetic field
In arbitrary direction

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