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Electronic Engineering UEC001: PN Junction Semiconductor Materials Quiz

12 Questions

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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?

It fills the void created by a hole Signup and view all the answers

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

Higher than any electron in the atomic structure 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?

Holes and electrons 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?

The minimum current that can flow through the diode in reverse bias Signup and view all the answers

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

A variable that depends on the operating conditions and physical construction of the diode Signup and view all the answers

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

The voltage that depends on the temperature of the diode Signup and view all the answers

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

The relationship between the voltage and the current in the diode Signup and view all the answers

What is the reverse bias voltage in a PN junction?

The voltage applied to the diode in the reverse direction Signup and view all the answers

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

A constant that depends on the operating conditions and physical construction of the diode Signup and view all the answers