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AHSGE Science
VII-1 Relate energy conservation to transformation
20
Other
Not Applicable
10/02/2007

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Term
unit of electric power equal to one joule per second
Definition
watt
Term
a magnet made by winding a wire around an iron core and passing electricity through the wire
Definition
electromagnet
Term
the current magnetizes the core
Definition
electromagnet
Term
form of radiant energy with a frequency in the electromagnetic spectrum
Definition
electromagnetic waves
Term
used to measure the intensity of an electric current
Definition
electric meter
Term
a flow of negatively charged electrons through a conductor
Definition
electric current
Term
currrent (measured in amps)= voltage %resistance
Definition
electric current
Term
device that changes chemical energy into electric energy
Definition
electric cell
Term
closed loop path of conduction through which an electric current flows
Definition
circuit
Term
basic unit of electric current in SI units
Definition
amps (amperes)
Term
measures the strength of electric current
Definition
amps (amperes)
Term
the SI unit of electric potential or potential difference
Definition
volt
Term
wet or dry cell which produces an electric current
Definition
battery
Term
the lines of forces around a magnet or an electric current
Definition
magnetic field
Term
the change in the electrical potential energy per unit charge
Definition
potential difference
Term
charges move from a position of high electrical potential energy to a position of low electrical potential energy
Definition
potential difference
Term
what is also known as voltage?
Definition
potential difference
Term
navigation tool with a magnetized needle that points out directions such as north, south, east, and west
Definition
compass
Term
the amount of electric charge produced by a current of one ampere flowing for one second
Definition
coulomb
Term
states that the resistance in an electric circuit is equal to the voltage divided by the current
R=V/I
Definition
Ohm's Law
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