Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Wideband gap semiconductor Narrowband gap semiconductor An indirect band gap semiconductor Direct band gap semiconductor Wideband gap semiconductor Narrowband gap semiconductor An indirect band gap semiconductor Direct band gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which variety of copper has the best conductivity? Pure annealed copper Copper containing traces of silicon Hard drawn copper Induction hardened copper Pure annealed copper Copper containing traces of silicon Hard drawn copper Induction hardened copper ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode Diode will emit light Excessive heat may damage the diode All electrons will leave All holes will freeze Diode will emit light Excessive heat may damage the diode All electrons will leave All holes will freeze ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is Germanium Silicon Mixture of silicon and germanium None of these Germanium Silicon Mixture of silicon and germanium None of these 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The depletion layer width of Junction Is increased under reverse bias Decreases with light doping Increases with heavy doping Is independent of applied voltage Is increased under reverse bias Decreases with light doping Increases with heavy doping Is independent of applied voltage ANSWER DOWNLOAD EXAMIANS APP
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