Charge
A charge imbalance that causes electric charge to build up on an object.
What is static electricity?
The tendency of a material to oppose the flow of electrons.
What is resistance?
A current of 100 amps with a resistance of 50 ohms, has a voltage of ___.
What is 5000 volts?
Closed path that allows electricity to flow.
What is a circuit?
A material that gives an external magnetic field.
What is a magnet?
Materials that allow electrons to flow easily.
What are conductors?
The force that causes current to move.
What is voltage?
A 12 V battery with a resistance of ___ produces a current of 6 amps.
What is 2 ohms?
Circuit that has only one path for current to travel through.
What is a series circuit?
An external force given off by a magnet; strongest at its poles
What is a magnetic field?
Materials that block the flow of electrons.
What are insulators?
The net movement of electric charge.
What is current?
A current of 310 amps is flowing through a copper wire with a resistance of 30 ohms and a voltage of ___.
What is 9300 volts?
Circuit that has more than one path for current to travel through.
What is a parallel circuit?
A device that uses an electromagnet to convert mechanical energy into electrical energy.
What is a generator?
Charge cannot be created or destroyed.
What is the Law of Conservation of Charge?
The amount of current directly proportional to voltage.
What is Ohm’s law?
A current of 350 amps with a potential difference of 2,500 volts, has a resistance of ___.
What is 7.14 ohms?
Small piece of metal that melts to prevent current from flowing.
What is a fuse?
A device that uses an electromagnet to convert electrical energy to mechanical energy.
What is an electric motor?
An area surrounding charged objects where a force can act on other charged objects.
What is an electric field?
Four factors that affect resistance.
What are material, size, length, temperature?
A current of 250 amps with a voltage of ___ is passed through silver which has a resistance of 0.0198 ohms.
What is 4.95 volts?
Piece of metal that bends when overheated to open a circuit.
What is a circuit breaker?
A phenomenon where objects placed in a strong magnetic field become magnetized due to the poles within their atoms aligning.
What is ferromagnetism?