General Electricity

General Electricity

100

200

300

400

500

Electricity yeah

100100

This And That

Moving Electrons

Zap zap oww!

300300

200200200200

100100

400400400

300300

500500500

400

500

General Electricity 100

• If an electron gains electrons what happens to its charge?


• Name one of the two factors that determines the strength of an electric field.


• What type of current is produced by a battery?


• How do the electrons of an electrical insulator behave (which causes it to “insulate”)


• What four factors affect the resistance of a wire?

Electricity Yeah! 100

• What type of current does most of your school use?


• If a neutral metal baseball bat is held near an object that has a high concenteration of electrons and the bats picks up the charge, then this is transfer through….?

Electricity Yeah 300

• What is the unit for electrical power?


• If you know the power rating of an applicance and the voltage of the line it is attached to, you can calulate the current the appliace uses by?


• A ground fault circuit interrupter (GFCI)shuts down a circuit if it

Zap zap oww! 100

• Which of the following materials will allow charges to flow easily?

• A. wood

• B. glass

• C. Electrical Conductor

• D. Electrical Insulator

Zap zap oww! 200

• Name one way you could decrease the amount of resistance for a wire

Zap zap oww! 300

• What is one of the three ways that Ohm’s Law can be written?

Zap zap oww! 400

• Daily Double

Zap zap oww! 500

• What is the name of the area surrounding the Earth that is influenced by the earth’s magnetic field?

Moving Electrons 100

• When placed near each other, what do like magnetic poles do to each other?


• How man paths do electrons have to flow through when going through a series circuit?


• Most of the “circuits” in your home are ?


• The current in a hair dryer measures 12 amps, and the resistance is 8 ohms. What is the voltage?


• A device that changes mechanical energy to electrical energy by rotating a coil of wires through a magnetic field.

this and that 100

• What happens to the strength of a magnetic field as the distance between the two magnets increases?

this and that 200

• What happens if you break a bar magnet in half?

this and that 300

• Name two of the four major devices that your house uses to provide electrical safety.

this and that 400

• Explain the process of using fossil fuels to creat electrical energy, and what fossil fuel is used the most for electricity?

this and that 500

• Before electricity from the power lines can enter you house it must go through this device to lower the voltage.

Zap Zap Oww Double

• Moving a magnet inside a coil of wire will induce a volatge in the coil. How can the voltage in the coil be increased?


• It becomes negative


• The amount of charge that the field originally produced

• And

• The distance from the charge


• Direct Current


• The electrons are tightly bound to the atoms.


• Length of the wire

• Material of the wire

• Cross section or diameter of wire

• Temperature of wire


• Alternating Current


• Induction


• Watts


• Power divided by voltage or Watts/Volts


• Senses unequal currents.

Zap zap oww! 100

• C. Electrical Conductor

Zap zap oww! 200

• Cool it, make it shorter, give it a larger diameter, use a more conductive material

Zap zap oww! 300

• V= I x R

• I = V/R

• R = V/I

Zap zap oww! 400

• Move the magnet more rapidly

Zap zap oww! 500

• Magnetosphere


• Repel each other


• One path


• Parallel.


• 96 volts


• generator

this and that 100

• The strength goes down

this and that 200

• Each becomes a new bar magnet with two poles

this and that 300

• GFCI

• Circuit Breakers

• Fuses

• Ground Wires

this and that 400

• The burnt fossil fuels create heat, which is used to boil water, which creates steam used to turn a turbine (magnets and coils of wire) to make the electricity.

• Coal

this and that 500

• Step down transformer

General Electricity

Documents

Transcript of General Electricity