energy 2 Flashcards
energy transfer
when energy moves from one place to another
pathway
ex: conducting wires that connect the two terminals of the batterys
switch
a switch is an electrical compent that is used to turn on and turn of any equipment like a television washing machine lights fans etc
opened and closed circuits
open circuit:an open circuit is the circuit in which the path is incomplete and which means there is no flow of energy. closed circuit: a closed circuit is a circuit in which the path is complete and there is a flow of current in the entire path
eletrical current
eletrical current has to have a power source, wires for the electricity to flow through,and a device such as a lamp or motor that uses eletrical current
insultars
substanecs
conducters
substances that an electric charge can pass through without difficulty. ex: powerlines, fences for life stock battery jumper cables, powering eletronic devices, also copper, aluminum, iron, steel, gold, and silver
source
such as a battery
user
such as a light bulb or other device that uses energy