Solid State Devices

241. What particles are of zero charge and zero mass?

1. Fusion
2. Neutrino
3. Fission
4. Isotopes

View answer

242. What refers to annihilation of a hole and electron?

1. Doping
2. Recombination
3. Diffusion
4. Bonding

View answer

243. What refers to the temperature of the surrounding air?

1. Atmospheric temperature
2. Ambient temperature
3. Freezing point
4. Cooling temperature

View answer

244. What semiconductor material is used in the construction of LED?

1. Silicon
2. Germanium
3. Gallium
4. Gallium arsenide

View answer

245. What silicon npn tetrode serves as bistable negative-resistance device?

1. BJT
2. Binistor
3. FET
4. Thermistor

View answer

246. What temperature is inside the diode, right at the junction of the p and n-type materials?

1. Junction temperature
2. Ambient temperature
3. Internal temperature
4. Absolute temperature

View answer

247. What term is used to describe the outermost shell of an atom?

1. Valence shell
2. Free shell
3. Electron shell
4. Conductive cell

View answer

248. What term is used to describe the released electrons dislodged from its original shell due to the increase in temperature which joins into a larger orbit?

1. Free electrons
2. Bound electrons
3. Covalent electrons
4. Merge electrons

View answer

249. What term is used to refer to the vacancy left by the free electron when it departs from its original shell?

1. Proton
2. Hole
3. Neutron
4. Nucleus

View answer

250. What two elements widely used in semiconductor devices exhibit both metallic and nonmetallic characteristics?

1. Gold and silicon
2. Germanium and gold
3. Bismuth and galena
4. Silicon and germanium

View answer