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Quiz!

Quiz!. Come grab a quarter sheet. You may use notes. What can voltage be compared to in a hose? What does a watt measure? What are a watt’s units?. We know what a watt is, now what is a watt hour? Or, for that matter, what is a kWh? A kilo-Watt hour!

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Quiz!

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  1. Quiz! Come grab a quarter sheet

  2. You may use notes • What can voltage be compared to in a hose? • What does a watt measure? • What are a watt’s units?

  3. We know what a watt is, now what is a watt hour? Or, for that matter, what is a kWh? A kilo-Watt hour! Actually, a kWh has the same units as a joule.

  4. Joule: Watt: Watt*second:

  5. A kWh is actually equivalent to Energy companies measure the energy your house uses in kWh.

  6. A Quick Summary A battery puts pressure on electrons in a wire to flow by providing VOLTAGE. The flow of electrons is called CURRENT, measured in COULOMBS per second. Coulombs are a measure of charge. Charges can exert force. The ability to exert force is measured as energy in JOULES. The number of joules of energy passing through a wire per second is a WATT.

  7. Next class you may use notes on the quiz

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