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electric eye

(Encyclopedia)electric eye: see photoelectric cell. ...

electric fish

(Encyclopedia)electric fish, name for various fish that produce electricity by means of organs usually developed from modified muscle tissue. The electric eels of South America are freshwater knifefish unrelated to...

electric furnace

(Encyclopedia)electric furnace: see furnace.

electric shock

(Encyclopedia)electric shock, effect of the passage of a current of electricity through the body. Fatality may result from shocks of from 1 to 2 amperes and 500 to 1,000 volts. However, the effect of electric shock...

eel, electric

(Encyclopedia)eel, electric: see electric fish. ...

current, electric

(Encyclopedia)current, electric, net movement or flow of electric charge from one point to another or across some boundary. See alternating current; direct current; electricity. ...

potential, electric

(Encyclopedia)potential, electric, work per unit of electric charge expended in moving a charged body from a reference point to any given point in an electric field (see electrostatics). The potential at the refere...

rheostat

(Encyclopedia)rheostat rēˈəstătˌ [key], device whose resistance to electric current depends on the position of some mechanical element or control in the device. Typically a rheostat consists of a resistance el...

capacitance

(Encyclopedia)capacitance, in electricity, capability of a body, system, circuit, or device for storing electric charge. Capacitance is expressed as the ratio of stored charge in coulombs to the impressed potential...

impedance

(Encyclopedia)impedance, in electricity, measure in ohms of the degree to which an electric circuit resists the flow of electric current when a voltage is impressed across its terminals. Impedance is expressed as t...