Science Learning Hub logo
TopicsConceptsCitizen scienceTeacher PLDGlossary
Sign in
Image

Variable resistor

A variable resistor in a circuit

A variable resistor can be used if the current needs to be varied over a range of values, changing the operation or output of the circuit.

Glossary

Rights: Image licenced through 123RF.com
Published: 2 September 2010Size: 25.85 KB
Referencing Hub media

Explore related content

Appears inRelated resources
Resistors

Article

Resistors

Resistors control how much electric charge flows through a circuit each second – the size of the current in the ...

Read more
Controlling resistance

Activity

Controlling resistance

In this activity, students explore the concept of variable resistance by using a simple electrical circuit.

Read more
Resistors

Article

Resistors

Resistors control how much electric charge flows through a circuit each second – the size of the current in the ...

Read more
Electricity – electrons, insulators and conductors

Article

Electricity – electrons, insulators and conductors

The term ‘electricity’ comes from ‘elektron’, which is the Greek word for amber. The ancient Greeks discovered that small threads ...

Read more

See our newsletters here.

NewsEventsAboutContact usPrivacyCopyrightHelp

The Science Learning Hub Pokapū Akoranga Pūtaiao is funded through the Ministry of Business, Innovation and Employment's Science in Society Initiative.

Science Learning Hub Pokapū Akoranga Pūtaiao © 2007-2025 The University of Waikato Te Whare Wānanga o Waikato