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Home Electronics Semiconductor Principles Comments

  • Question
  • When and who discovered that more than one transistor could be constructed on a single piece of semiconductor material:


  • Options
  • A. 1949, William Schockley
  • B. 1955, Walter Bratten
  • C. 1959, Robert Noyce
  • D. 1960, John Bardeen

  • Correct Answer
  • 1959, Robert Noyce 


  • Semiconductor Principles problems


    Search Results


    • 1. Elements with 1, 2, or 3 valence electrons usually make excellent:

    • Options
    • A. conductors
    • B. semiconductors
    • C. insulators
    • D. neutral
    • Discuss
    • 2. How many valence electrons are in every semiconductor material?

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 3. What can a semiconductor sense?

    • Options
    • A. magnetism
    • B. temperature
    • C. pressure
    • D. all of the above
    • Discuss
    • 4. What electrical characteristic of intrinsic semiconductor material is controlled by the addition of impurities?

    • Options
    • A. conductivity
    • B. resistance
    • C. power
    • D. all of the above
    • Discuss
    • 5. A P-N junction mimics a closed switch when it:

    • Options
    • A. has a low junction resistance
    • B. is reverse biased
    • C. cannot overcome its barrier voltage
    • D. has a wide depletion region
    • Discuss
    • 6. Solid state devices were first manufactured during:

    • Options
    • A. World War 2
    • B. 1904
    • C. 1907
    • D. 1960
    • Discuss
    • 7. What causes the depletion region?

    • Options
    • A. doping
    • B. diffusion
    • C. barrier potential
    • D. ions
    • Discuss
    • 8. Electron pair bonding occurs when atoms:

    • Options
    • A. lack electrons
    • B. share holes
    • C. lack holes
    • D. share electrons
    • Discuss
    • 9. What is the most significant development in electronics since World War II?

    • Options
    • A. the development of color TV
    • B. the development of the diode
    • C. the development of the transistor
    • D. the development of the TRIAC
    • Discuss
    • 10. When testing an n-channel D-MOSFET, resistance G to D = ∞, resistance G to S = ∞, resistance D to SS = ∞ and 500 Ω, depending on the polarity of the ohmmeter, and resistance D to S = 500 Ω. What is wrong?

    • Options
    • A. short D to S
    • B. open G to D
    • C. open D to SS
    • D. nothing
    • Discuss


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