説明中心

rheostat

[ree-uh-stat, ree-oh-]

rheostat Definition

a device for regulating current by means of variable resistance, consisting of a conductor with a spiral groove through which the resistance is varied by moving a sliding contact.

Using rheostat: Examples

Take a moment to familiarize yourself with how "rheostat" can be used in various situations through the following examples!

  • Example

    The rheostat controls the brightness of the light bulb.

  • Example

    The fan speed can be adjusted using a rheostat.

  • Example

    A rheostat is used to control the speed of an electric motor.

rheostat Synonyms and Antonyms

Synonyms for rheostat

Phrases with rheostat

  • a rheostat that uses digital signals to control the current

    Example

    The digital rheostat allows for precise control of the current.

  • a rheostat that uses a rotary knob to adjust the resistance

    Example

    The rotary rheostat is commonly used in audio equipment.

  • wire-wound rheostat

    a rheostat that uses a wire-wound resistor to vary the resistance

    Example

    The wire-wound rheostat is used in high-power applications.

Origins of rheostat

from Greek 'rheos' meaning 'stream' and 'statos' meaning 'stationary'

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Summary: rheostat in Brief

A 'rheostat' [ree-uh-stat, ree-oh-] is a device used to regulate current by varying resistance. It consists of a conductor with a spiral groove, through which resistance is adjusted by moving a sliding contact. Examples include controlling the brightness of a light bulb or adjusting the speed of an electric motor. Types of rheostats include digital, rotary, and wire-wound.