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point charge

American  

noun

  1. an electric charge considered to exist at a single point, and thus having neither area nor volume.


Etymology

Origin of point charge

First recorded in 1900–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Potential energy for the electron is electrical, or PE = qeV , where V is the potential due to the nucleus, which looks like a point charge.

From Textbooks Aug. 12, 2015

Can the potential of a non-uniformly charged sphere be the same as that of a point charge?

From Textbooks Aug. 12, 2015

Figure 18.30 shows two pictorial representations of the same electric field created by a positive point charge Q .

From Textbooks Aug. 12, 2015

In what region does it differ from that of a point charge?

From Textbooks Aug. 12, 2015

Just as zero punches a hole in the smooth sheet of general relativity, zero smooths and spreads out the sharp point charge of the electron, covering it in a fog.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

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