Electronic Engineering UEC001: PN Junction Semiconductor Materials Quiz
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Questions and Answers

Which material is commonly used in the development of semiconductor devices?

  • Aluminum (Al)
  • Gold (Au)
  • Copper (Cu)
  • Silicon (Si) (correct)

What is the direction of conventional flow in a semiconductor?

  • Direction of neither electron nor hole flow
  • Direction of both electron and hole flow
  • Direction of electron flow
  • Direction of hole flow (correct)

What is the majority carrier in an n-type semiconductor?

  • Hole
  • Proton
  • Neutron
  • Electron (correct)

What happens when a valence electron acquires sufficient kinetic energy?

<p>It fills the void created by a hole (A)</p> Signup and view all the answers

What is the energy state of an electron that has left its parent atom?

<p>Higher than any electron in the atomic structure (D)</p> Signup and view all the answers

What is the type of charge carriers that move in the opposite direction to each other in a semiconductor?

<p>Holes and electrons (A)</p> Signup and view all the answers

What is the physical meaning of the reverse saturation current (IS) in the Shockley's equation for a semiconductor diode?

<p>The minimum current that can flow through the diode in reverse bias (C)</p> Signup and view all the answers

What is the ideality factor (n) in the Shockley's equation for a semiconductor diode?

<p>A variable that depends on the operating conditions and physical construction of the diode (C)</p> Signup and view all the answers

What is the thermal voltage (VT) in the Shockley's equation for a semiconductor diode?

<p>The voltage that depends on the temperature of the diode (D)</p> Signup and view all the answers

What is the V-I characteristic of a PN junction?

<p>The relationship between the voltage and the current in the diode (C)</p> Signup and view all the answers

What is the reverse bias voltage in a PN junction?

<p>The voltage applied to the diode in the reverse direction (A)</p> Signup and view all the answers

What is the Boltzmann's constant (k) in the Shockley's equation for a semiconductor diode?

<p>A constant that depends on the operating conditions and physical construction of the diode (B)</p> Signup and view all the answers

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