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elec and mag
chapter 13
| Question | Answer |
|---|---|
| electric current | an electric charge in motion |
| closed circuit | a path of electric charges that does not have any breaks |
| what is another name for a circuit | another name for a circuit is a loop or path of electricity |
| what is a closed circuit | a closed circuit is a loop of electric charges that does not have a break |
| what is a open circuit | a loop of electric charges that has at least one break |
| what happens when a circuit is "open" | with an open circuit the flow of electric charges is interrupted |
| what are the components of a closed circuit | the components of a closed circuit are a battery, wires, a switch, and light bulbs/holders |
| what role does the battery serve in a closed circuit | the battery is the power source in a closed circuit |
| what role do the wires serve in a closed circuit | the wires provide a path through witch the electric charges flow in a closed circuit |
| what role do the light bulb play in a closed circuit | light bulbs are resistors try to block the flow of electricity (heats up and glows) |
| what role does the switch play in a closed circuit | the switch stops (open the switch) and permits electricty closed (closed the switch) the flow of electric charges is closed circuit |
| what is a conductor | a conductor is a material such as metal, silver, copper that allows atoms in the materials to become easily charged |
| what is an insulator | an insulator is a material such as plastic rubber glass and dry wood that does not allow atoms in the material to become easily charged |
| what is the difference between and insulator and conductor | an insulator tries to slow down or contain the movement of electrically charged atoms, a conductor encourages the movement of electrically charged atoms |
| what is a series circuit | a series circuit is a simple circuit where electric charge can flow only in one path and equally to all devices on the circuit. |
| what is a parallel circuit | a parallel circuit is a circuit that has two or more paths for the electric charge to flow |
| what is the advantage of a parallel circuit | in aparallel cercuit even if there is a break in one part of the circuit the electric charges will still flow to all other parts of a circuit |
| how is the electric current shared in a series circuit | electric current is shared equally in a series circuit |
| whay are most homes and schools wired with a parallel circuit | a break in one part of the circuit does not stop the charge from flowing and a parallel circuit can handle devices that need different amounts of electrical currents |
Created by:
moose0408
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