Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is 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 Direct band gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An electron in the conduction band Loses its charge easily Jumps to the top of the crystal Has lower energy than the electron in the valence band Has higher energy than the electron in the valence band Loses its charge easily Jumps to the top of the crystal Has lower energy than the electron in the valence band Has higher energy than the electron in the valence band ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which of the following has highest resistivity? Mineral oil Paraffin wax Mica Air Mineral oil Paraffin wax Mica Air ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits When diodes are connected in series to increase voltage rating the peak inverse voltage per junction should not exceed half the breakdown voltage should not exceed the breakdown voltage may be equal to or less than breakdown voltage should not exceed one third the breakdown voltage should not exceed half the breakdown voltage should not exceed the breakdown voltage may be equal to or less than breakdown voltage should not exceed one third the breakdown voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode Excessive heat may damage the diode All electrons will leave Diode will emit light All holes will freeze Excessive heat may damage the diode All electrons will leave Diode will emit light All holes will freeze ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In monolithic ICs, all the components are fabricated by None Diffusion process Evaporation Oxidation None Diffusion process Evaporation Oxidation ANSWER DOWNLOAD EXAMIANS APP
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