Electrical Components Quiz

What is the basic unit of capacitance?

• Henry

• Ohm

• Farad

• Coulomb

Which component is used to store electrical charge?

• Resistor

• Inductor

• Capacitor

• Diode

What is the main function of a transistor?

• To store charge

• To act as a switch or amplifier

• To convert AC to DC

• To regulate voltage

Which semiconductor material is most commonly used in electronic circuits?

• Germanium

• Silicon

• Copper

• Aluminum

What does LED stand for?

• Light Emitting Diode

• Low Energy Device

• Linear Electric Display

• Light Energy Detector

Which component allows current to flow in only one direction?

• Resistor

• Capacitor

• Diode

• Inductor

What is the function of an operational amplifier?

• To increase resistance

• To amplify electrical signals

• To generate frequency

• To store energy

What is the typical voltage drop across a silicon diode when forward biased?

• 0.1V

• 0.3V

• 0.7V

• 1.2V

Tags

NGSS.HS-PS3-5

Which logic gate produces a HIGH output only when all inputs are HIGH?

• OR

• AND

• NOR

• XOR

What is the primary function of a rectifier?

• To amplify signals

• To convert AC to DC

• To store charge

• To regulate voltage