Electricity 1
Electricity 2
Electricity 3
Electricity 4
100
Materials that allow electricity to move through it easily
Conductor
100
Materials that do not allow electricity to move through them easily
Insulator
100
Ohm's Law tells us that current depends on what 2 variables?
voltage and resistance
100
The flow of electrons is called
Electric current
200
Plastic, glass, and rubber are good examples of
Insulators
200
Like charges will
repel
200
how much current would flow through a circuit that has 12 volts and 2 ohms of resistance (must include unit)
6 amps
200
Copper is an example of _______.
A conductor.
300
Current is the flow of ___________________
charged particles
electrons
300
When electric current flows along a closed path it forms a ______.
Electric circuit.
300
True or false: in a series circuit, there is only one pathway for the current to flow
TRUE
300
Besides a plug in, give an example of an energy source for a circuit
Battery
400
What do you call the positive and negative ends of a battery?
Terminals
400
The Force between two charged objects depends on these two things.
Amount of Charge
Distance
400
In this circuit, what would happen if one of the bulbs got broken?
The other bulb would not light up
400
Name an advantage of a parallel circuit
you can easily change remove a bulb and not have the current interrupted
500
A thicker wire in a circuit will cause resistance to ___________________
decrease
500
What is the difference between an open circuit and a closed circuit?
Closed - electrons can flow and the circuit is working
Open - electrons cannot flow and the circuit is not working
500
If resistance in a circuit increases, then the voltage will
not be affected
500
What happens when two objects rub against each other?
They gain or lose electrons.