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direct current

direct current A unidirectional current provided by a source of electrical energy. It is used in induced polarization surveys and in some electrical resistivity surveys, although very-low-frequency alternating current sources are being used increasingly to overcome problems of electrode and ground polarization.

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"direct current." A Dictionary of Earth Sciences. . Encyclopedia.com. 19 Nov. 2017 <http://www.encyclopedia.com>.

"direct current." A Dictionary of Earth Sciences. . Encyclopedia.com. (November 19, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/direct-current

"direct current." A Dictionary of Earth Sciences. . Retrieved November 19, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/direct-current

direct current

di·rect cur·rent (abbr.: DC) • n. an electric current flowing in one direction only. Compare with alternating current.

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"direct current." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 19 Nov. 2017 <http://www.encyclopedia.com>.

"direct current." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (November 19, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/direct-current

"direct current." The Oxford Pocket Dictionary of Current English. . Retrieved November 19, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/direct-current

direct current

direct current, abbr. DC, a movement of electric charge across an arbitrarily defined surface in one direction only. See electricity; generator.

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"direct current." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 19 Nov. 2017 <http://www.encyclopedia.com>.

"direct current." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (November 19, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/direct-current

"direct current." The Columbia Encyclopedia, 6th ed.. . Retrieved November 19, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/direct-current

direct current

direct current (DC) See electric current

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"direct current." World Encyclopedia. . Encyclopedia.com. 19 Nov. 2017 <http://www.encyclopedia.com>.

"direct current." World Encyclopedia. . Encyclopedia.com. (November 19, 2017). http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/direct-current

"direct current." World Encyclopedia. . Retrieved November 19, 2017 from Encyclopedia.com: http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/direct-current