12 Questions
| Attempts: 88

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Questions and Answers

- 1.Joel's earlier model of electricity used water as an analogy for charge. His current model uses air as an analogy. Why does he think air is a better analogy?
- 2.Why are models important for teaching and learning about subjects such as electricity? (Ope response)
- 3.___________ is what we call charge flowing through wires.
- 4.__________ is the way we control electricity in various devices.
- 5.__________ flows through the circuit.
- 6.A ____________ is a closed, continuous conducting loop.
- 7.The _________ provides the energy carried by the moving charge.
- 8.The ___________ uses the energy supplied by moving charge.
- 9.________ is the electrical pressure difference in a circuit measured in volts.
- 10.The flow rate of charge moving through a circuit that is measured in amps is called _________.
- 11.The property of the components of a circuit that slows the current flow and is measured in ohms is called ________.
- 12.__________ is the amount of energy transferred in a given amount of time and measured in watts.

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