| Chage it | Moving Charges | Eletric Current | Resistance | Electrical Calculations |
|---|---|---|---|---|
|
Friction
What is it called when electrons are rubbed from one object onto another?
|
Something that allows electricity to pass through an object easily. (Usually metals)
What is a conductor?
|
The rate at which charges pass a given point.
What is an electric current?
|
The opposition to the flow of electric charge.
What is resistance?
|
Voltage divided by current.
What is the formula for resistance?
|
|
Conduction
What is it called when electrons move from one object to another by direct contact?
|
Something that doesn't allow electricity to pass through an object easily.
What is an insulator?
|
the letter I.
What is the symbol for current?
|
Ohms.
What is resistance expressed as?
|
Voltage divided by resistance.
What is the formula for current?
|
|
Induction
What is it called when charges in an uncharged metal object are rearranged without direct contact with a charged object?
|
It is the build up of charged particles in an object at rest.
What is static electricity?
|
The potential difference between two points in a circuit.
The potential difference between two points in a circuit What is voltage?
|
Metals or good conductors.
What things have low resistance?
|
Current multiplied by resistance.
What is the formula for voltage?
|
|
Opposites attract and like repel.
What does the Conservation of Charge state?
|
It is when the charged particles are released from the object at rest.
What is discharge?
|
Volts
What is voltage expressed as?
|
Material, temperature, thickness, and length.
What 4 things effect resistance?
|
Voltage multiplied by current.
What is the formula for power?
|
|
Electroscope.
What device do you use to see if something is charged?
|
It is placed high in the sky and when struck leads the electricity to the ground where it does not harm anyone.
What does a lightning rod do?
|
Alternating and direct.
What are the two types of currents?
|
Electrical friction.
Electrical friction What else is resistance known as?
|
Power multiplied by time.
What is the formula for electrical energy?
|
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