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 The forbidden energy gap between the valence band and conduction band will be least in case of Insulators All of these Metals Semiconductors Insulators All of these Metals Semiconductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which of the following has highest resistivity? Paraffin wax Mineral oil Mica Air Paraffin wax Mineral oil Mica Air ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the base collector junction has Zero bias Reverse bias Zero or forward bias Forward bias Zero bias Reverse bias Zero or forward bias Forward bias ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode 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 Diode will emit light ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): A VMOS can handle much larger current than other field effect transistors.Reason (R): In a VMOS the conducting channel is very narrow. A is true but R is false Both A and R are true and R is correct explanation of A A is false but R is true Both A and R are true but R is not a correct explanation of A A is true but R is false Both A and R are true and R is correct explanation of A A is false but R is true Both A and R are true but R is not a correct explanation of A ANSWER DOWNLOAD EXAMIANS APP