Electronic Devices and Circuits The sensitivity of human eyes is maximum at White portion of spectrum 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a semiconductor diode, the barrier offers opposition to Holes in P-region only Majority carriers in both regions Free electrons in N-region only Majority as well as minority carriers in both regions Holes in P-region only Majority carriers in both regions Free electrons in N-region only Majority as well as minority carriers in both regions ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Wideband gap semiconductor Narrowband gap semiconductor Direct band gap semiconductor An indirect band gap semiconductor Wideband gap semiconductor Narrowband gap semiconductor Direct band gap semiconductor An indirect band gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits How many free electrons does a p type semiconductor has? Any of the above Only those produced by doping Only those produced by thermal energy Those produced by doping as well as thermal energy Any of the above Only those produced by doping Only those produced by thermal energy Those produced by doping as well as thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the base collector junction has Reverse bias Zero bias Zero or forward bias Forward bias Reverse bias Zero bias Zero or forward bias Forward bias ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The output, V-I characteristics of an Enhancement type MOSFET has Only a saturation region Only an ohmic region An ohmic region at low voltage value followed by a saturation region at higher voltages An ohmic region at large voltage values preceded by a saturation region at lower voltages Only a saturation region Only an ohmic region An ohmic region at low voltage value followed by a saturation region at higher voltages An ohmic region at large voltage values preceded by a saturation region at lower voltages ANSWER DOWNLOAD EXAMIANS APP
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