Electronic Devices and Circuits Free electrons exist in Conduction band First band Third band Second band Conduction band First band Third band Second band ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? High dielectric constant Electric dipole moment Ferroelectric characteristic only above the curie point No hysteresis High dielectric constant Electric dipole moment Ferroelectric characteristic only above the curie point No hysteresis 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 All of these Metals Insulators Semiconductors All of these Metals Insulators Semiconductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is An indirect band gap semiconductor Direct band gap semiconductor Narrowband gap semiconductor Wideband gap semiconductor An indirect band gap semiconductor Direct band gap semiconductor Narrowband gap semiconductor Wideband gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased The number of free electrons and holes increase but not by the same amount The number of free electrons and holes increase by the same amount The number of free electrons increases The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase but not by the same amount The number of free electrons and holes increase by the same amount The number of free electrons increases The number of free electrons increases but the number of holes decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In which of these is reverse recovery time nearly zero? Schottky diode Tunnel diode PIN diode Zener diode Schottky diode Tunnel diode PIN diode Zener diode ANSWER DOWNLOAD EXAMIANS APP