Resistance
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What is the difference between current and potential difference?
Current is the rate of flow of charge. voltage is the amount of energy transferred to the charges
What is the unit of resistance?
Ohm
What happens to the current in a circuit if resistance is decreased
Current increases
What is ohms law
V=IR VOLTAGE= CURRENT X RESISTANCE
What happens to the resistance of a piece of wire is the length increases?
Resistance increases
How do you is static electricity work?
Friction causes electrons to be transferred from one insulater to another
What happens when two like charges are brought near each other
They repel
What is an electric field?
A field that exists in the space around charged object
What is the difference between series and parallel?
A series circuit has one loop, a parallel circuit has more than one loop
What is resistance?
Opposing the flow of an electric current