Semiconductor Basics

10 Questions

Match the following semiconductor devices with their functions:

Diodes = Based on the behavior of charge carriers at semiconductor junctions Transistors = Based on the behavior of charge carriers at semiconductor junctions Semiconductor devices = Used for amplification, switching, and energy conversion Silicon = Critical element for fabricating most electronic circuits

Match the following semiconductor properties with their descriptions:

Resistivity = Decreases as temperature rises Doping = Introduction of impurities to alter conducting properties Semiconductor junction = Created when two differently doped regions exist in the same crystal Gallium arsenide = Second-most common semiconductor used in laser diodes, solar cells, and microwave-frequency integrated circuits

Match the following semiconductor properties with their characteristics:

Variable resistance = One of the useful properties displayed by semiconductor devices Sensitivity to light or heat = One of the useful properties displayed by semiconductor devices Electrical properties modification = Can be achieved by doping and application of electrical fields or light Passing current more easily in one direction than the other = One of the useful properties displayed by semiconductor devices

Match the following elements with their classification as semiconductors:

Silicon = Used for fabricating most electronic circuits Germanium = An example of a semiconductor near the 'metalloid staircase' on the periodic table Gallium arsenide = Second-most common semiconductor used in various electronic applications Copper = An example of a conductor with high electrical conductivity

Match the following uses with the respective semiconductors:

Laser diodes, solar cells, microwave-frequency integrated circuits = Applications of gallium arsenide Most electronic circuits fabrication = Primary usage of silicon Amplification, switching, and energy conversion = Functions performed by devices made from semiconductors Passing current more easily in one direction than the other = Useful property displayed by semiconductor devices

Match the following semiconductors with their applications:

Silicon = Most electronic circuits Germanium = Early transistor technology Gallium arsenide = Laser diodes and solar cells Metalloid elements near the periodic table's staircase = Microwave-frequency integrated circuits

Match the following semiconductor properties with their effects:

Decreasing resistivity with increasing temperature = Semiconductor behavior Altered conducting properties by introducing impurities = Doping effect Passing current more easily in one direction than the other = Diode characteristic Sensitivity to light or heat = Variable resistance

Match the following charge carriers with their roles in semiconductor junctions:

Electrons = Basis of most modern electronics Ions = Behavior at semiconductor junctions Electron holes = Basis of diodes and transistors All charge carriers together = Foundation of semiconductor junctions

Match the following uses with the respective semiconductor devices:

Amplification, switching, and energy conversion = Devices made from semiconductors Passing current more easily in one direction than the other = Diodes Showing variable resistance = Variable resistors Sensitivity to light or heat = Photoconductors

Match the following statements with the respective semiconductors:

Second-most common semiconductor after silicon = Gallium arsenide Critical element for fabricating most electronic circuits = Silicon Used in early transistor technology = Germanium Used in microwave-frequency integrated circuits = Metalloid elements near the periodic table's staircase

Test your knowledge about the fundamental properties and behavior of semiconductors, including conductivity, resistivity, doping, and semiconductor junctions.