Electric Charge
Moving Charges and Static Electricity
Electric Current and Electric Energy
Electrical Calculations
Random
100
The law that states that like charges repel and opposite charges attract.
Law of Electric Charges
100
What is a magnet?
Any material that attracts iron or materials containing iron.
200
What is an electric force?
The force of attraction or repulsion on a charged particle that is due to an electric field.
200
_______ is a material in which charges can move easily.
Electrical conductor
200
What is the potential difference between two points; measured in volts.
Voltage
200
A coil of wire with an electric current in it.
Solenoid
300
Protons are ________ charged. Electrons are _______ charged.
Positively, Negatively
300
What is resistance?
In physical science, the opposition presented to the current by a material or device.
300
Electrical Energy = power x ______
Time
300
A coil of wire with an electric current.
Solenoid
400
The space around a charged object in which another charged object experiences an electric force.
Electric Field
400
Electric charge at rest; generally produced by friction or induction.
Static electrocity
400
What are cells?
In electricity, a device that produces an electric current by converting chemical or radiant energy into electrical energy.
400
Resistance = voltage/_________ or _______ x voltage
Current
400
The process of creating a current in a circuit by changing a magnetic field.
Electromagnetic induction
500
All matter is made up of small particles called _______.
Atoms
500
What is electric discharge?
The release of electricity stored in a source.
500
What are superconductors?
When you cool certain materials to a very low temperature, resistance will drop to 0 ohms.
500
A device that increases or decreases the voltage of alternating current.
Transformer
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