Electronic Devices and Circuits Free electrons exist in Third band Second band First band Conduction band Third band Second band First band Conduction band ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The sensitivity of human eyes is maximum at Violet portion of spectrum Green portion of spectrum White portion of spectrum Red portion of spectrum Violet portion of spectrum Green portion of spectrum White portion of spectrum Red portion of spectrum ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode 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 Excessive heat may damage the diode All electrons will leave 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 increases The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase by the same amount The number of free electrons and holes increase but not 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 by the same amount 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 Wideband gap semiconductor Narrowband gap semiconductor An indirect band gap semiconductor Direct band gap semiconductor Wideband gap semiconductor Narrowband gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a semiconductor diode, the barrier offers opposition to Majority as well as minority carriers in both regions Majority carriers in both regions Free electrons in N-region only Holes in P-region only Majority as well as minority carriers in both regions Majority carriers in both regions Free electrons in N-region only Holes in P-region only ANSWER DOWNLOAD EXAMIANS APP
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