Electronic Devices and Circuits In a half wave rectifier, the load current flows Only for the negative half cycle of the input signal For full cycle For less than fourth cycle Only for the positive half cycle of the input signal Only for the negative half cycle of the input signal For full cycle For less than fourth cycle Only for the positive half cycle of the input signal ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits For a P-N diode, the number of minority carriers crossing the junction depends on Potential barrier None of these Forward bias voltage Rate of thermal generation of electron hole pairs Potential barrier None of these Forward bias voltage Rate of thermal generation of electron hole pairs ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits When diodes are connected in series to increase voltage rating the peak inverse voltage per junction should not exceed one third the breakdown voltage should not exceed the breakdown voltage may be equal to or less than breakdown voltage should not exceed half the breakdown voltage should not exceed one third the breakdown voltage should not exceed the breakdown voltage may be equal to or less than breakdown voltage should not exceed half the breakdown voltage 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 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 Normal to both current and magnetic field In the direction of current In arbitrary direction Antiparallel to magnetic field Normal to both current and magnetic field In the direction of current ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The output, V-I characteristics of an Enhancement type MOSFET has An ohmic region at low voltage value followed by a saturation region at higher voltages Only an ohmic region An ohmic region at large voltage values preceded by a saturation region at lower voltages Only a saturation region An ohmic region at low voltage value followed by a saturation region at higher voltages Only an ohmic region An ohmic region at large voltage values preceded by a saturation region at lower voltages Only a saturation region ANSWER DOWNLOAD EXAMIANS APP