Shared Flashcard Set

Details

Physical Science Chapter 17
Flash cards for Chapter 17 Science Test in Mrs. Jackson's Freshman Physical Science class
24
Science
9th Grade
05/10/2011

Additional Science Flashcards

 


 

Cards

Term
Static Electricity
Definition
the effects produced by stationary charges
Term
Law of Charges
Definition
like charges repel; unlike charges attract
Term
Capacitor
Definition
an object or device that stores an electric charge
Term
Induction
Definition
charging an object by shifting the paths of its electrons
Term
Electroscope
Definition
device that detects charges
Term
Semiconductor
Definition
substance that holds its electrons in a way that allows a partial flow of electricity
Term
Electric Current
Definition
electricity that involves continuously moving charges
Term
Circuit
Definition
circular conducting path
Term
Switch
Definition
device that can be used to break (open or close) a circuit
Term
Short Circuit
Definition
a situation in which an electrical current passes through a path shorter than the entire circuit
Term
Volts (V)
Definition
units used to measure the difference between electrical potentials
Term
Coulomb (C)
Definition
unit of electrical charge
Term
Ampere
Definition
unit used to measure the amount of current that flows past a point in one second
Term
Resistor
Definition
any object that resists the flow of electricity
Term
Ohm's Law
Definition
Voltage equals the current multiplied by the resistance
Term
Ohm
Definition
unit used to measure resistance
Term
Load
Definition
resistive devices in an electrical circuit
Term
Series Circuit
Definition
circuit with a single path for all the electrons to follow
Term
Parallel Circuit
Definition
circuit with two or more paths for the electrons to follow
Term
Fuse
Definition
a safety device that melts to break a circuit if current becomes too high
Term
Circuit Breaker
Definition
safety device that switches to break a circuit if current becomes too high
Term
Watt(W)
Definition
SI unit of power; 1 Joule of energy per second
Term
Kilowatt(kW)
Definition
1000 Watts
Term
What two things in Ohm's Law are inversely proportional?
Definition
Current & Resistance
Supporting users have an ad free experience!