Electronic Devices and Circuits Which of the following has highest resistivity? Paraffin wax Air Mineral oil Mica Paraffin wax Air Mineral oil Mica ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An electron in the conduction band Has higher energy than the electron in the valence band Loses its charge easily Has lower energy than the electron in the valence band Jumps to the top of the crystal Has higher energy than the electron in the valence band Loses its charge easily Has lower energy than the electron in the valence band Jumps to the top of the crystal 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 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 In arbitrary direction Antiparallel to magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits For a P-N diode, the number of minority carriers crossing the junction depends on Forward bias voltage None of these Potential barrier Rate of thermal generation of electron hole pairs Forward bias voltage None of these Potential barrier Rate of thermal generation of electron hole pairs ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The output, V-I characteristics of an Enhancement type MOSFET has An ohmic region at large voltage values preceded by a saturation region at lower voltages Only an ohmic region Only a saturation 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 an ohmic region Only a saturation region An ohmic region at low voltage value followed by a saturation region at higher voltages ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is Silicon Germanium None of these Mixture of silicon and germanium Silicon Germanium None of these Mixture of silicon and germanium ANSWER DOWNLOAD EXAMIANS APP