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Electric Circuits To insert this slide into your presentation

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Presentation on theme: "Electric Circuits To insert this slide into your presentation"— Presentation transcript:

1 Electric Circuits To insert this slide into your presentation
Save this template as a presentation (.ppt file) on your computer. Open the presentation that will contain the image slide. On the Slides tab, place your insertion point after the slide that will precede the image slide. (Make sure you don't select a slide. Your insertion point should be between the slides.) On the Insert menu, click Slides from Files. In the Slide Finder dialog box, click the Find Presentation tab. Click Browse, locate and select the presentation that contains the image slide, and then click Open. In the Slides from Files dialog box, select the image slide. Select the Keep source formatting check box. If you do not select this check box, the copied slide will inherit the design of the slide that precedes it in the presentation. Click Insert. Click Close.

2 What is electric current?
The flow of electric current in wires, motors, etc. The motion of electrons or other charged particles 3. Carries energy & can do work 4. It carries a great deal of energy

3 How do electric circuits work?
A complete path through which electricity travels. 6. Wires carry electric current like pipes carry water 7. Current can only travel in one direction

4 Open & Closed Circuits 8. Circuit with NO breaks
9. A circuit with any break in it causing the current to stop flowing.

5 Circuit diagrams 10. So, anyone familiar with electricity can build a circuit using the diagram

6 Symbols of Circuits 11.Wire Battery Bulb Resistor Switch

7 Resistors & Switches 16. a device that uses energy carried by the current Ex: Light bulb, speaker, motor, etc 17. Opens and closes a circuit by making a “break”

8 Remember Potential Energy?
18. work done on the block becomes Gravitational Potential Energy. 19. Potential Energy becomes Kinetic Energy as it falls. 20. Most energy transfers to the box and ground when it lands.

9 What is Electrical Potential Energy?
21. If work is done upon a charge, it has Electrical Potential Energy.

10 22. It wants to move from high potential to low potential.

11 Gravitational and Electrical Potential Energy are measured in Joules
What about the UNIT? Gravitational and Electrical Potential Energy are measured in Joules BUT…. 23. Electric Potential is measured in VOLTS (v).

12 Batteries 24. Use chemical energy to create a voltage (potential) difference 25. The current gives up energy (voltage) as it passes through the light bulb.

13 Batteries 26. The current returns to the battery so the charge can be pumped up to high potential

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