Electronic Devices and Circuits Fermi level is the amount of energy in which A hole can have at room temperature An electron can have at room temperature Must be given to an electron move to conduction band None of these A hole can have at room temperature An electron can have at room temperature Must be given to an electron move to conduction band None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is Silicon Mixture of silicon and germanium Germanium None of these Silicon Mixture of silicon and germanium Germanium None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which variety of copper has the best conductivity? Induction hardened copper Pure annealed copper Copper containing traces of silicon Hard drawn copper Induction hardened copper Pure annealed copper Copper containing traces of silicon Hard drawn copper ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is An indirect band gap semiconductor 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits When diodes are connected in series to increase voltage rating the peak inverse voltage per junction may be equal to or less than breakdown voltage should not exceed the breakdown voltage should not exceed half the breakdown voltage should not exceed one third the breakdown voltage may be equal to or less than breakdown voltage should not exceed the breakdown voltage should not exceed half the breakdown voltage should not exceed one third the breakdown voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS