Vocabulary
Electrons moving from one object to another / a type of energy
What is Electricity?
one bulb goes out the others continue to work (multiple paths for electricity)
What is a parallel circuit?
What is George Ohm?
the unit of measure for current
What is a amperes (amps) (A)?
the path which electrons follow
What is a circuit?
electrons have only one path to follow
What is a series circuit?
a material that does not allow electricity to move through it
What is an insulator?
the Danish scientist who mistakenly discovered the magnetic field around a wire with a current
Who is Hans Oersted?
the push behind an electric current
What is voltage?
interaction between a magnetic field and electricity
What is an electromagnet?
current flows in different directions
What is alternating current (AC)?
the type of wire that conducts electricity best
What is a copper wire?
created the first electric motor
Who is Michael Faraday?
electrons move through a battery from the ___________ terminal to the ___________ terminal
What is negative to positive?
slows or blocks the movement of electrons
What is resistance?
the rate at which electrons or electric charge move through a circuit
What is current?
resistance x current
What is a voltage?
Who is William Sturgeon?
a device used to start and stop the flow of electricity
What is a switch?
an electrical diagram (a drawing or a sketch)
What is a schematic?
current moves only one direction (battery is an example of this)
What is direct current (DC)?
the relationship between the length of a wire and resistance
What is a direct relationship?
maglev train, toaster, doorbell, cell phone...
What are some uses of modern day electromagnets?
voltage divided by current
How do you calculate resistance?