Electromagnetic field - wikipedia, An electromagnetic field (also emf or em field) is a physical field produced by electrically charged objects. it affects the behavior of charged objects in the. What energy? - definition whatis., Energy is the capacity of a physical system to do work. the common symbol for energy is the uppercase letter e. the standard unit is the joule, symbolized by j.. Energy definitions cards term definition picture - learn nc, Energy definitions cards answer key mechanical related to the vibrations of an electrical charge or magnetic field that produces electromagnetic waves that can travel.
Electromagnetic waves | define electromagnetic waves , Electromagnetic waves definition, wave produced acceleration electric charge propagated periodic variation intensities , . http://www.dictionary.com/browse/electromagnetic--waves Electromagnetic spectrum - definition electromagnetic, The entire range electromagnetic radiation, includes, order increasing frequency decreasing wavelength, radio waves, microwaves, infrared radiation. http://www.thefreedictionary.com/electromagnetic+spectrum What electricity: definitions, This part 2 electricity. loading contradictory definition 1. scientific definition: quantity electricity measured coulombs.. http://amasci.com/miscon/whatdef.html