Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Direct band gap semiconductor An indirect band gap semiconductor Narrowband gap semiconductor Wideband gap semiconductor Direct band gap semiconductor An indirect band gap semiconductor Narrowband gap semiconductor Wideband gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits As compared to bipolar junction transistor, a FET Has higher input resistance Is less noisy All of these Has better thermal stability Has higher input resistance Is less noisy All of these Has better thermal stability ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Modulation of signal is required Rectification of the signal is required Signal amplification is required Signal frequency control is required Modulation of signal is required Rectification of the signal is required Signal amplification is required Signal frequency control is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An electron in the conduction band Jumps to the top of the crystal Has higher energy than the electron in the valence band Loses its charge easily Has lower energy than the electron in the valence band Jumps to the top of the crystal Has higher energy than the electron in the valence band Loses its charge easily Has lower energy than the electron in the valence band ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In monolithic ICs, all the components are fabricated by None Oxidation Evaporation Diffusion process None Oxidation Evaporation Diffusion process ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In which of these is reverse recovery time nearly zero? Zener diode Schottky diode Tunnel diode PIN diode Zener diode Schottky diode Tunnel diode PIN diode ANSWER DOWNLOAD EXAMIANS APP