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BJU Physical Sci 19

BJU Physical Science Ch 19 6th edition

TermDefinition
alternating current Electric current in which the charge carriers change direction periodically.
current electricity An electrical safety device consisting of an automatic switch that opens when there is too much current in a circuit.
current electricity Electricity involving moving electric charges.
electric circuit The loop through which current electricity can flow.
electric current (I) The movement of electric charge through a complete loop.
electric field A three-dimensional region around a charged object that will apply a force on other charged objects within that region.
electric force The field force between two charged objects.
electric power The work per second done or produced by an electrical system.
electrical conductor A material through which electric charge moves easily.
electrical insulator A material through which electric charge does not move easily.
direct current (DC) Electric current in which electric charges move in only one direction.
fuse An electrical safety device that opens the circuit by melting when an overheated condition occurs due to excessive current.
grounding The act of providing a path for electrical charge to move into the earth.
law of conservation of charge The principle that states that charge cannot be created or destroyed but only transferred between objects.
Ohm's law The law that states that the current in a circuit is directly related to the voltage and inversely related to the resistance.
parallel circuit A circuit with multiple paths that electric current can take.
resistance The measure of the opposition to current flow in an electrical circuit.
resistor An electrical device that slows down electric current by converting electrical energy into other forms, such as thermal energy.
series circuit A circuit with only one path that electric current can take.
short circuit An unintended path for an electric current.
static electricity The accumulated electric charge on an object.
voltage The "force" that moves electric charge carriers through an electrical circuit; also called electric potential difference.
Created by: marchscience
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