21 terms

Electricity

Basic vocabulary and formula
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Terms in this set (...)

Current
The flow of electricity
Insulator
An object that doesn't conduct electricity. Electrons cannot flow because it has high resistance
Conductor
An object that has low resistance. Electrons can flow easily
Negative Charge
More electrons than protons (has gained electrons)
Positive Charge
More protons than electrons
Neutral Charge
Amount of protons = amount of electrons
Decreases
When resistance increases, current ________.
Increases
When voltage increases, current _________.
Static Electricity
The build-up of electric charges on an object
Electrical Power
Current x Voltage =
Current
The relationship between resistance, current, and potential difference
Volts
Unit for Voltage
Voltage
The pressure behind electrons
Resistance
A hinderance (obstacle) to electrons flowing smoothly (how much they slow down)
Watts (W) or Kilowatts
The unit for power
Amps
Unit for Current
Electrons
Friction can cause _________ to be transferred from one object to another
Someone rubbing a balloon on the carpet and sticking it to a wall
An example of Static Electricity is
The energy of moving electrons
Electrical energy
Repel
Like charges
Attract
Opposite charges
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