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WorksheetsHW 6 Semiconductors
Total questions: 20
Worksheet time: 11mins
What is an inverter?
A. A device that stores electrical energy.
B. A device that converts DC power to AC power.
C. A device that converts AC power to DC power.
D. A device that amplifies electrical signals.
What is a rotary inverter?
A device that uses solid-state components to convert DC to AC.
A device that uses a motor-generator setup to generate AC from DC.
A device that converts AC power into DC power.
A device that stores electrical energy in capacitors.
What is a static inverter?
A device that uses a motor-generator setup to generate AC from DC.
A device that uses solid-state electronics to convert DC to AC.
A device that converts DC power into mechanical motion.
A device that stabilizes electrical voltage.
What is a permanent magnet rotary inverter?
A type of rotary inverter that uses permanent magnets.
A device that uses a capacitor for voltage regulation.
A semiconductor component used for amplification.
A type of diode used in rectifier circuits.
What is an inductor-type rotary inverter?
A rotary inverter utilizing an inductor.
A semiconductor device used for switching applications.
A capacitor-based inverter.
A system that converts AC power to mechanical energy.
What is a semiconductor?
A material that can act as both a conductor and an insulator.
A device that generates electromagnetic waves.
A type of battery storage system.
A material that only conducts electricity in solid form.
What is the most common semiconductor material?
Copper
Silicon
Aluminum
Which of the following is another semiconductor material, though less common than silicon?
Copper
Gold
Germanium
Lead
What is a covalent bond?
A bond formed when atoms share electrons.
A bond between an atom and a magnetic field.
A bond that allows free movement of charge carriers.
A temporary attraction between atoms.
What is doping in semiconductors?
The process of adding impurities to a semiconductor to change its electrical properties
The removal of impurities from a semiconductor to improve its conductivity
The process of coating a semiconductor with a protective layer
The method of increasing the temperature of a semiconductor to enhance its performance
What is an N-type semiconductor?
A semiconductor with excess electrons (negative charge carriers).
A semiconductor with excess holes (positive charge carriers).
A type of capacitor.
A component in AC motor systems.
What is a P-type semiconductor?
A semiconductor with excess holes (positive charge carriers).
A semiconductor with excess electrons (negative charge carriers).
A diode with variable resistance.
A material that prevents current flow.
What is the depletion zone in a PN junction?
A region where mobile charge carriers are depleted after a voltage is applied.
A region where excess charge accumulates.
A storage area for electrical energy.
A section of a semiconductor that enhances current flow.
What does forward bias in a diode do?
Reduces the junction barrier, allowing current to flow.
Increases the junction barrier, blocking current.
Converts AC voltage to DC voltage.
Prevents electrical discharge.
What does reverse bias in a diode do?
Prevents current flow by increasing the depletion zone.
Allows current to flow freely.
Converts DC power into AC power.
Reduces voltage fluctuations.
What are charge carriers in semiconductors?
Electrons and holes responsible for conduction.
Copper wires used for electrical connections.
Electromagnetic waves generated in circuits.
Particles that block current flow.
What is alternating current (AC)?
Electrical current that periodically reverses direction.
Electrical current that flows in only one direction.
Electrical energy stored in batteries.
Current used only in semiconductor devices.
Select all true statements
This component is a light emitting diode
It only allows current to flow one way
It is temperature dependent
It depends on light intensity
Allows current to flow in only one direction
Resistor
LED
Diode
Capacitor
Semiconducors are most commonly made from which two elements?
