Electrometer in a sentence

He said that El Sewedy Electrometer specialises in producing and distributing energy, as well as collecting electricity revenue.

Another method of making the test was by connecting the electrodes of a capillary electrometer to the two poles of a Daniell cell with a sulphate of cadmium solution.

Cosmic ray radiations striking the Earth from outer space were finally definitively recognized and proven to exist in 1912, as the scientist Victor Hess carried an electrometer to various altitudes in a free balloon flight.

For amboxcheck Volta Electrometers Kolbe electrometer, precision form of gold-leaf instrument.

For convenience of use, the vibrating reed assembly is often attached by a cable to the rest of the electrometer.

Her electrometer showed that pitchblende was four times as active as uranium itself, and chalcolite twice as active.

It was the forerunner of Kelvin’s quadrant electrometer (described below).

Modern electrometers A modern electrometer is a highly sensitive electronic voltmeter whose input impedance is so high that the current flowing into it can be considered, for most practical purposes, to be zero.

Older electrometers Gold-leaf electrometer Gold-leaf electroscope The gold-leaf electroscope was one of the first sensitive instruments used to indicate electric charge.

The DC input resistance of the electrometer is determined solely by the leakage resistance of the capacitor, and is typically extremely high, (although its AC input impedance is lower).

The engraving on the right shows a slightly different form of this electrometer, using four flat plates rather than closed segments.

Their work, including Marie's celebrated doctoral work, made use of a sensitive piezoelectric electrometer constructed by Pierre and his brother Jacques. citation Pierre Curie's 1898 publication with his wife Mme.

The potential measurements are performed with the positive terminal of the electrometer connected to working electrode and the negative terminal to the reference electrode.

Using Pierre's electrometer, she discovered that uranium rays caused the air around a sample to conduct electricity.

Valves designed for electrometer use have leakage currents as low as a few femtoamperes (10 −15 amperes).

While the term "quadrant electrometer" eventually referred to Kelvin's version, this term was first used to describe a simpler device. citation It consists of an upright stem of wood, to which is affixed to a semicircle of ivory.