open circuit

American  

noun

Electricity.

1. a discontinuous circuit through which no current can flow.

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open circuit British  

noun

1. an incomplete electrical circuit in which no current flows Compare closed circuit

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open circuit Scientific  

/ ō′pən /

1. An electric circuit in which the normal path of current has been interrupted, either by the disconnection of one part of its conducting pathway from another, or by the intervention of an electric component, such as a transistor.

2. Compare closed circuit

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Other Word Forms

• open-circuit adjective

Etymology

Origin of open circuit

First recorded in 1820–30

Compare meaning

How does open-circuit compare to similar and commonly confused words? Explore the most common comparisons:

• open circuit vs. closed circuit

Example Sentences

The paper battery achieved an open circuit voltage of 1.8 volts, a 1.0 volt current density of 100 mA/cm², and a maximum output of 103 milliwatts/cm².

From Science Daily • Apr. 3, 2024

In some applications, the Russian version sends commands that open circuit breakers when they should be closed; in others, circuits are “de-energized” through a variety of means.

From Slate • Jun. 14, 2017

Although a capacitor is basically an open circuit, there is an rms current in a circuit with an AC voltage applied to a capacitor.

From Textbooks • Aug. 12, 2015

MPP, maximum power point; OC, open circuit; SC, short circuit. c, The solar spectrum is broadband, evenly dispersed across visible and infrared components.

From Nature • Aug. 15, 2012

Moreover, with zincs amalgamated in a special manner, the attack is imperceptible, and the work in open circuit need scarcely to be taken into consideration.

From Scientific American Supplement, No. 455, September 20, 1884 by Various