L

Laminated core
Core composed of sheets of magnetic material insulated from one another by an oxide.

Lamp
Equipment that produces light.

Laser
The name is an acronym for "light amplification by stimulated emission of radiation.

Lead-acid cell
Cell composed of lead plates immersed in a sulphuric acid electrolyte.

Leakage
Undesirable flow of current through an insulator or dielectric.

LED
Abbreviation for "light emitting diode."

Left-hand-rule
If fingers of the left hand are placed around a wire so that the thumb points in the direction of electron flow, the fingers will be pointing in the direction of the magnetic field being produced by the conductor.

Lenz's law
Lenz's law tells about the direction of the induced electromotive force (emf) and current coming from electromagnetic induction

Lie detector
Piece of electronic equipment also called a polygraph used to determine whether a person is telling the Truth or False.


Light-emitting diode
A semiconductor diode that converts electric energy into electromagnetic radiation. illuminating device used as an indicator of state or status

Load
The amount of electric power delivered or required at any specific point or points on a system

Loss
Term used to describe a decrease in power.