K

KC.
Kilocycle {obsolete, now kHz}.

Kilovolt-ampere

1000 volts at 1 ampere.

Kilowatt-hour

1000 watts for 1 hour.

Kilowatt-hour meter

A meter used to measure the amount of electric power used.

Kinetic energy

Energy associated with motion.

Kirchhoff"s current law

The sum of the currents flowing into a point in a circuit is equal to the sum of the currents flowing out of that same point.

Kirchhoff"s voltage law

The algebraic sum of the voltage drops in a closed path circuit is equal to the algebraic sum of the source voltages applied.

Knee voltage

The voltage at which a curve combines two relatively straight portions of a characteristic curve.

KELVIN.
A unit of temperature equal to 10 Celsius.

KERNEL.
A part of a program that performs a unit function.


KILO.
A prefix meaning one thousand, 103.

KIRCHHOFF'S LAWS.
The algebraic sum of the current flowing toward any point in a circuit and the current flowing away from it is zero.

KNEE OF THE CURVE.
The point of maximum curvature of a magnetization curve