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 Which variety of copper has the best conductivity? Induction hardened copper Hard drawn copper Pure annealed copper Copper containing traces of silicon Induction hardened copper Hard drawn copper Pure annealed copper Copper containing traces of silicon ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is None of these Silicon Mixture of silicon and germanium Germanium None of these Silicon Mixture of silicon and germanium Germanium ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): A VMOS can handle much larger current than other field effect transistors.Reason (R): In a VMOS the conducting channel is very narrow. Both A and R are true but R is not a correct explanation of A Both A and R are true and R is correct explanation of A A is true but R is false A is false but R is true Both A and R are true but R is not a correct explanation of A Both A and R are true and R is correct explanation of A A is true but R is false A is false but R is true 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 Antiparallel to magnetic field Normal to both current and magnetic field In arbitrary direction In the direction of current Antiparallel to magnetic field Normal to both current and magnetic field In arbitrary direction In the direction of current ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In which of these is reverse recovery time nearly zero? Schottky diode Zener diode PIN diode Tunnel diode Schottky diode Zener diode PIN diode Tunnel diode ANSWER DOWNLOAD EXAMIANS APP