Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of Metals Insulators All of these Semiconductors Metals Insulators All of these Semiconductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is 99 1.01 0.99 100 99 1.01 0.99 100 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on None of these Intensity of incident radiation Frequency of incident radiation Both frequency and intensity of incident radiation None of these Intensity of incident radiation Frequency of incident radiation Both frequency and intensity of incident radiation ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode Excessive heat may damage the diode All holes will freeze All electrons will leave Diode will emit light Excessive heat may damage the diode All holes will freeze All electrons will leave Diode will emit light ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The sensitivity of human eyes is maximum at Green portion of spectrum Red portion of spectrum Violet portion of spectrum White portion of spectrum Green portion of spectrum Red portion of spectrum Violet portion of spectrum White portion of spectrum ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Wideband gap semiconductor 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 ANSWER DOWNLOAD EXAMIANS APP
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