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A

abscissa

The horizontal coordinate of a point in a plane Cartesian coordinate system obtained by measuring parallel to the x-axis

acceleration


Act of accelerating; increase of speed or velocity.


ammeter

An instrument for measuring electric current especially in amperes

amplitude

1- The extent of a vibratory movement (as of a pendulum) measured from the mean position to an extreme 2- The maximum departure of the value of an alternating current or wave from the average value

anode, cathode


During discharge, the positive electrode is a cathode, and the negative electrode is an anode.


Archimedes’ principle

A law of fluid mechanics: a body while wholly or partly immersed in a fluid apparently loses weight by an amount equal to that of the fluid displaced

B

battery

Electric battery, a device that provides electrical power

C

capacitor


Also called condenser. A device for accumulating and holding a charge of electricity, consisting of two equally charged conducting surfaces having opposite signs and separated by a dielectric.


celerity

Speed

chain reaction

A self-sustaining chemical or nuclear reaction yielding energy or products that cause further reactions of the same kind


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