Materials that allow electricity to move through it easily
Conductor
Materials that do not allow electricity to move through them easily
Insulator
Ohm's Law tells us that voltage depends on what 2 variables?
current and resistance
flowing or moving charge
Electric current
any device a circuit can power
load
Plastic, glass, and rubber are good examples of
Insulators
Like charges will
repel
how much current would flow through a circuit that has 12 volts and 2 ohms of resistance (must include unit)
6 amps
Copper is an example of _______.
A conductor.
the potential to flow (or potential difference)
voltage
Current is the flow of ___________________
charged particles
electrons
When electric current flows along a closed path it forms a ______.
Electric circuit.
safety device in which a metal piece melts if needed to break the circuit
fuse
a measure of charge flowing through a point every second
current
resistor
What type of current do you get from the power company (connects with your outlets)?
Alternating current
Atoms are made up of?
Electrons, protons and neutrons.
In this circuit, what would happen if one of the bulbs got broken?
The other bulb would not light up
current in which electrons are constantly changing directions
alternating current
name 4 components that change the resistance of a wire
thickness
length
material
temperature
How much power is provided by a 15 V adapter that provides a current of 1.5 amps?
22.5 W
electrons randomly bouncing around in many directions as they gradually following the direction of the current
electron drift
top 4 conductive metals
silver, copper, gold, aluminum
What happened when the balloon rubbed against the sweater?
The balloon gained the sweater's electrons.
A hotter wire in a circuit will cause resistance to ___________________
increase