Electronic Devices and Circuits The depletion layer width of Junction Is increased under reverse bias Decreases with light doping Increases with heavy doping Is independent of applied voltage Is increased under reverse bias Decreases with light doping Increases with heavy doping Is independent of applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Light dependent resistors are Intrinsic semiconductor Lightly doped semiconductor Highly doped semiconductor Either A or B Intrinsic semiconductor Lightly doped semiconductor Highly doped semiconductor Either A or B ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a half wave rectifier, the load current flows For full cycle For less than fourth cycle Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal For full cycle For less than fourth cycle Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Modulation of signal is required Rectification of the signal is required Signal amplification is required Signal frequency control is required Modulation of signal is required Rectification of the signal is required Signal amplification is required Signal frequency control is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits How many free electrons does a p type semiconductor has? Those produced by doping as well as thermal energy Only those produced by doping Only those produced by thermal energy Any of the above Those produced by doping as well as thermal energy Only those produced by doping Only those produced by thermal energy Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is In arbitrary direction Antiparallel to magnetic field In the direction of current Normal to both current and magnetic field In arbitrary direction Antiparallel to magnetic field In the direction of current Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP