Electrical Definitions

Cable : a conductor for transmitting electric currents,composed of several wires of strands laid up together,with or without insulating and protective coverings.

Capacitor : A system of conductors capable of storing electric charge is called a capacitor.

capacitance : The property of AC circuits which opposes any change in the amount of voltage is called capacitance. It is denoted by letter C and its unit is farad(F).

Campbell Bridge : An ac bridge that is used to measure self inductance in terms of a mutual inductance M.

Carrier Wave : A wave with the properties to enable it to be transmitted through a selected physical medium after it has been modulated.

Cascade Amplifier : An amplifier consisting o a number of Thermionic Valves or transistors in cascade connections.

Cathetron : A grid controlled Mercury Vapour Rectifier with the control electrode external to the tube.

Cathode Ray : Rays consisting of a stream of negatively charged particles or Electrons given off from the cathode in a highly exhausted tube,i.e. when the gas pressure is reduced below 1/100,000 of an atmosphere.

Cathode Ray Oscillograph : A cathode ray tube arranged with a fluorescent screen at one end upon which a narrow beam of cathode ray falls,and makes a viable spot of fluorescence.

Cathode Ray Tube : A gas discharge tube suitable for the production of Cathode Rays.

CCD Filter: A circuit in which the ability of a charge-coupled device to provide a precise predetermined delay time to an analog signal is utilized in order to produce a desired signal processing function.

Cell: A cell is a single storage element in a memory.

Cell Constant: The ratio of the mean distance apart of the electrodes in a cell to the mean cross section of the current path.

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