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Draws no current from the source
Answer for the clue "Draws no current from the source ", 12 letters:
electrometer
Alternative clues for the word electrometer
Word definitions for electrometer in dictionaries
Wikipedia
Word definitions in Wikipedia
An electrometer is an electrical instrument for measuring electric charge or electrical potential difference . There are many different types, ranging from historical handmade mechanical instruments to high-precision electronic devices. Modern electrometers ...
WordNet
Word definitions in WordNet
n. meter to measure electrostatic voltage differences; draws no current from the source
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Electrometer \E`lec*trom"e*ter\, n. [Electro- + -meter: cf. F. ['e]lectrom[`e]tre.] (Physics) An instrument for measuring the quantity or intensity of electricity; also, sometimes, and less properly, applied to an instrument which indicates the presence ...
Wiktionary
Word definitions in Wiktionary
n. 1 A device used to detect and measure static electricity; an electroscope. 2 A precision voltmeter that draws almost no current from the circuit.
Usage examples of electrometer.
Charge the prime conductor of an electrical machine, and a gold-leaf electrometer, far off from it, will at once be disturbed.
Faint coruscations of the Aurora Borealis appeared one evening, but their presence did not in the least affect the electrometer or the compass.
Its appearance did not affect the electrometer, nor could we perceive the compass to be disturbed.
And I need the observations of the lunar magnetometer and electrometer coordinated with a set of readings taken on Phobos and on Satellite Nine.
Varley has calculated tables to enable any electrician at a glance to infer from two readings by this electrometer the insulating power of any telegraphic cable.
By his delicate electrometer, his electric spark recorder, and his marine and land relation galvanometer, he has provided the world of thought with the finest instruments of observation and research, and the world of action with the means of carrying the messages of commerce and civilisation which have yet to cross the uncabled oceans that separate the families of the earth.
Her sensitivity to electric fields was extensively checked out with electrometers and field meters.
Barrett ran his eyes across the instruments already on the table: astatic galvanometer, mirror galvanometer, quadrant electrometer, Crookes balance, camera, gauze cage, smoke absorber, manometer, weighing platform, tape recorder.
Over and over again the various electrometers were checked and new adjustments were made necessary.