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16 Cards in this Set

  • Front
  • Back
anything that hinders the flow of electricity
Electrical Resistance
less resistance allows
more electrical current to pass
more resistance allows
less electrical current to pass
electrical devices
increase the amount of resistance
resistance is affected by
conductors, length and thickness of the wire, and the temperature.
a rheostat
increases the length of the wire to dim the light
the longer the wire . . .
the dimmer the light
the shorter the wire . . .
the brighter the light
dimmer switches have a . . .
a thick wire will have
less resistance
a thin wire will have
more resistance
the unit of resistance is the
longer wires have
more resistance
short wires have
less resistance
a motor
adds resistance
insulators and conductors
add resistance