Electronic Devices and Circuits The sensitivity of human eyes is maximum at Violet portion of spectrum White portion of spectrum Red portion of spectrum Green portion of spectrum Violet portion of spectrum White portion of spectrum Red portion of spectrum Green portion of spectrum ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Fermi level is the amount of energy in which Must be given to an electron move to conduction band None of these A hole can have at room temperature An electron can have at room temperature Must be given to an electron move to conduction band None of these A hole can have at room temperature An electron can have at room temperature ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The output, V-I characteristics of an Enhancement type MOSFET has 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 Only a saturation region 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 A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is 1.01 0.99 100 99 1.01 0.99 100 99 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits When avalanche breakdown occurs covalent bonds are not affected. False True False True ANSWER DOWNLOAD EXAMIANS APP