Fundamentals of Electrical Systems and Components Quiz

Ohm is the SI unit of electrical resistance.

A capacitor is a component that stores electrical charge.

The Coulomb is the SI unit of electric charge.

A series circuit allows only one path for current flow.

Ampere is the unit of electric current.

A transistor is commonly used to control the flow of current in a circuit.

Aluminum is commonly used as a conductor in electrical wiring.

DC stands for Direct Current in electrical systems.

The resistivity of a material determines its resistance to the flow of electric current.

Grounding in electrical systems refers to connecting a circuit to the Earth.

AC stands for Alternating Current in electrical systems.

Ohm's Law states that the voltage across a conductor is directly proportional to the current.

A transformer's function in an electrical system is to regulate voltage.

Rubber is commonly used as an insulator in electrical systems.

A fuse's purpose in an electrical circuit is to prevent overcurrent.

Kirchhoff's Current Law states that the total current entering a junction equals the total current leaving the junction.

The Watt is the SI unit of power.

A transformer is commonly used to change the voltage level in an electrical circuit.

A parallel circuit has multiple paths for current flow.

A rectifier's function in an electrical system is to convert AC to DC.

A diode allows current flow in one direction only in an electrical circuit.

LED stands for Light Emitting Diode in electronics.

A relay's function in an electrical system is to control a high-power circuit with a low-power signal.

An inverter's purpose in an electrical system is to convert DC to AC.

A potentiometer's purpose in an electrical circuit is to provide variable resistance.