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 Normal to both current and magnetic field In the direction of current Antiparallel to magnetic field In arbitrary direction Normal to both current and magnetic field In the direction of current Antiparallel to magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Power diodes are generally Germanium diodes Either of the above None of these Silicon diodes Germanium diodes Either of the above None of these Silicon diodes 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 large voltage values preceded by a saturation region at lower voltages An ohmic region at low voltage value followed by a saturation region at higher voltages Only a saturation region Only an ohmic region An ohmic region at large voltage values preceded by a saturation region at lower voltages An ohmic region at low voltage value followed by a saturation region at higher voltages Only a saturation region ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is Silicon None of these Germanium Mixture of silicon and germanium Silicon None of these Germanium Mixture of silicon and germanium ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a half wave rectifier, the load current flows 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 Only for the negative half cycle of the input signal For full cycle For less than fourth cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Direct band gap semiconductor Narrowband gap semiconductor Wideband gap semiconductor An indirect band gap semiconductor Direct band gap semiconductor Narrowband gap semiconductor Wideband gap semiconductor An indirect band gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS