PHysics Electrostatic/Electric Current Flashcards
(43 cards)
Conductor
A material through which a charge will move easily (Copper, gold, aluminum)
Electrostatic
The study of electric charges that can be collected and held in one place
Insulator
A material through which a charge will not move easily (Glass, diamond, plastic, wood)
What are the three parts of an electroscope
Knob, insulator, leaves
Three applications of Electric Forces
Laser printer, tiny point droplets, photocopy machines
DIfference between semiconductors and superconductors
A superconductor has zero resistance and a semiconductor can be both a conductor and an insulator
A conventional current is the flow of
Positive charge
A ___ is a material with zero resistance
superconductor
In a ___ there is only one path for the current to flow
Series connection
Who was the narrator of the Cosmos episode titled “Electric Boy”
Neil deGrasse Tyson
Who is the “Electric Boy”
Michael Faraday
Current is measured in unit called
amperes
Power is measured in
Watts
Parallel connection
more than one path for current to flow
Resistor
device designed to have a specific resistance
Ohm is the unit of
resistance
Joule is the unit of
energy
Name the five main energy sources for creating electricity
coal, petroleum, natural gas, nuclear power, hydropower
Name the four alternative energy sources for creating electricity
Geothermal power, solar power, wind power, biomass + agricultural waste
Static electricity
Formed by rubbing electrons off, or on, a surface
like charges
repel
ion
charged particles
attract
unlike charges
conductor
allows electric current to flow
