A type of overload fuse used in panels

A variable resistor with a sliding wiper

A tapped transformer used for controls

Wiring and componentsQuestion 400 of 1506

What is a solenoid?

A type of overload fuse used in panels
A variable resistor with a sliding wiper
An electromagnet with a movable core
A tapped transformer used for controls

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Correct answer: An electromagnet with a movable core

Solenoids operate valves and some contacts.

Source: Electrical Fundamentals Competency (Industry Training Authority of BC), 5.5: Circuit Control Devices

Practice wiring and components

Questions last reviewed: 18 October 2026

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