1. In Electronic Devices the conduction of electrons takes place through?
A- Gas, Semiconductors or Vacuum.
2. An example of Active Device in Electronic Circuits is ?
A- Silicon Controlled Resistor
3. In which type of amplifiers there is a need of neutralizing capacitors ?
A- RF and IF amplifiers.
4. Open Circuit for DC and Short Circuit for AC , high frequency is a property of ?
A- Capacitor
5. Valence shell of an atom can have a maximum of ....... electrons?
A- 8
6. The preferable material in terms of thermionic emission should have ?
A- Low Work function
7. Thermionic emission is found in ?
A- Vacuum Tubes
8. Vacuum tube are still in use because ?
A- Capable of handling large amount of power.
9. The best vacuum tube for the amplification purpose is ?
A- Pentode
10 . What is the typical value for the Lattice Spacing in the atomic structures ?
A- Few Angstroms
