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Electronic Devices and Circuits

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

Zener diode
Tunnel diode
PIN diode
Schottky diode

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Electronic Devices and Circuits
As compared to bipolar junction transistor, a FET

Has higher input resistance
Has better thermal stability
Is less noisy
All of these

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

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

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

Ions
Holes and electrons
Electrons
Holes

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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
Wideband gap semiconductor
An indirect band gap semiconductor
Narrowband gap semiconductor

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Electronic Devices and Circuits
Power diodes are generally

Germanium diodes
Either of the above
Silicon diodes
None of these

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