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Electronics Quiz

  1. Which semiconductor device is used to amplify or switch electronic signals and electrical power?
  2. Whose circuit laws state that the sum of currents flowing into a junction is equal to the sum of currents flowing out of that junction?
  3. What is defined as the amount of charge that flows past a give point, per unit of time?
  4. What name is given to the electrical insulating material between the metal plates of a capacitor?
  5. What name is given to a negatively charged electrode, as in a storage battery?
  6. Whose law is the observation that the number of transistors in a dense integrated circuit doubles approximately every two years?
  7. Which two-terminal electronic component conducts current primarily in one direction?
  8. The fourth colour band on a resister, often gold or silver, indicates the resistor's what?
  9. What name is given to the set of instructions executed directly by a computer's central processing unit?
  10. What name is given to the process of adding impurities to intrinsic semiconductors to alter their properties?
  11. What does the acronym BJT stand for?
  12. Name the semiconductor device that converts light into an electrical current?
  13. What was the capacitor originally known as?
  14. In electronics, what is an idealized or physical device that implements a Boolean function?



  15. The CRO is a type of electronic test instrument, what does CRO stand for?
  16. When a doped semiconductor contains mostly free holes it is called "p-type"; what is it called when it contains mostly free electrons?
  17. A LED is a two-lead semiconductor light source, what does the acronym LED mean?
  18. What is the SI unit of electrical capacitance?

Answers:

  1. A transistor
  2. Kirchhoff's laws
  3. Electrical current
  4. A dielectric
  5. Cathode
  6. Moore's law
  7. A diode
  8. Tolerance
  9. Machine code
  10. Doping
  11. Bipolar junction transistor
  12. Photodiode
  13. A condenser
  14. A logic gate
  15. Cathode-ray oscilloscope
  16. n-type
  17. Light-emitting diode
  18. Farad




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