Electronic Devices and Circuits Fermi level is the amount of energy in which A hole can have at room temperature None of these Must be given to an electron move to conduction band An electron can have at room temperature A hole can have at room temperature None of these Must be given to an electron move to conduction band An electron can have at room temperature ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Forbidden energy gap in germanium at 0 K is about 5 eV 0.78 eV 2 eV 10 eV 5 eV 0.78 eV 2 eV 10 eV ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of Insulators All of these Metals Semiconductors Insulators All of these Metals Semiconductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): A p-n junction has high resistance in reverse direction.Reason (R): When a reverse bias is applied to p-n junction, the width of depletion layer increases. Both A and R are true and R is correct explanation of A A is false but R is true Both A and R are true but R is not a correct explanation of A A is true but R is false Both A and R are true and R is correct explanation of A A is false but R is true Both A and R are true but R is not a correct explanation of A A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In which of these is reverse recovery time nearly zero? Tunnel diode PIN diode Zener diode Schottky diode Tunnel diode PIN diode Zener diode Schottky diode ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? Electric dipole moment No hysteresis Ferroelectric characteristic only above the curie point High dielectric constant Electric dipole moment No hysteresis Ferroelectric characteristic only above the curie point High dielectric constant ANSWER DOWNLOAD EXAMIANS APP
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