Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of Semiconductors Insulators All of these Metals Semiconductors Insulators All of these Metals ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Power diodes are generally Either of the above Silicon diodes None of these Germanium diodes Either of the above Silicon diodes None of these Germanium diodes ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Narrowband gap semiconductor Wideband gap semiconductor Direct band gap semiconductor An indirect band gap semiconductor Narrowband gap semiconductor Wideband gap semiconductor Direct band gap semiconductor An indirect band gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In the sale of diamonds the unit of weight is carat. One carat is equal to 150 mg 100 mg 500 mg 200 mg 150 mg 100 mg 500 mg 200 mg ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An electron in the conduction band Loses its charge easily Has higher energy than the electron in the valence band Jumps to the top of the crystal Has lower energy than the electron in the valence band Loses its charge easily Has higher energy than the electron in the valence band Jumps to the top of the crystal Has lower energy than the electron in the valence band 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 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 In arbitrary direction Antiparallel to magnetic field ANSWER DOWNLOAD EXAMIANS APP