## Presentation on theme: "Electricity operation in a closed path called a circuit. A an easy electrical circuit is a mechanism with three parts that have: 1.A source that offers electricity."— Presentation transcript:

You are watching: Electrons can flow in a closed path called an

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2 electricity flows in a close up door path called a circuit. A basic electrical circuit is a device with three components that have: 1.A resource that provides electrical energy 2.Something the uses electrical power 3.Wires to bring electricity A battery offers electricity, and also has a positive(+) and an unfavorable (-) side.

3 electrical energy will only relocate if the wires and other parts type a finish circuit. This gives a closed and continuous path because that the electricity to move through. Imagine a straightforward circuit with a light bulb at one end and a battery at the other. The flow of power is continuous.

4 If this circuit is reduced at any type of point, the electricity moving about the circuit will certainly stop. As a result, the light bulb will have actually no electrical energy flowing v it. The bulb will go out. The wires must additionally be associated to every side of the battery. If both ends of the cable are connected to the exact same side that the battery the power will no move about the circuit. The bulb will receive no energy and also will not light. The wires should touch both sides of the irradiate bulb, otherwise the electrical power will go approximately the pear without ever before going v it. The bulb will not irradiate up.

5 For any kind of electrical appliance to work, there should be a finish path from the power source to the appliance. When electrical energy runs v some materials, it renders them hot. This is offered for helpful appliances such as toasters and irons. Part materials end up being so warm with power that they glow. Inside a light bulb is a tiny wire, known as a filament, that glows from this heat. Distinct gases in the light bulb make this glow even brighter, creating light energy.

6 When electricity runs v a wire, the cable becomes magnetic. This is known as electromagnetism. The area that electromagnetism roughly something carrying electrical power is referred to as an electromagnetic field. Electromagnetism provides it possible for electric motors come work. Components of the motor become magnetic, and push and pull other parts. In this way, the engine turns electric energy into mechanical energy.

7 materials that are an excellent at transporting different varieties of energy are conductors. Castle conduct energy from one location to another. -Copper is a very an excellent conductor the electricity. That is why electrical wires are regularly made that copper. -Other materials are great conductors the sound, heat, or irradiate energy. Products that carry out not carry some forms of energy really well room insulators. Insulators have the right to be used to block the motion of energy. - Rubber and also plastic space not an excellent conductors of electricity. This is why we use these materials to insulate electric wires, so the we have the right to handle castle without gaining burned.

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9 each circuit listed below has irradiate bulbs, a battery together a resource of power, and wires. 1)In i beg your pardon circuit will the light bulbs light up? 2) Why wont the other circuits light the bulbs up?

10 examine the appliances, and identify what type of energy each appliance produces. A light bulb produces what form of energy? a. Heat/thermal power b. Electrical energy c. Mechanical power d. Light power

11 A toaster produces what form of energy? a. Heat/thermal energy b. Electric energy c. Light power d. Mechanical power

12 A radio to produce what type of energy? a. Electrical energy b. Mechanical power c. Sound power d. Light power

13 A fan produces what type of energy? a. Sound power b. Mechanical energy c. Light power d. Electric energy

14 Juan pen his teeth with an electrical toothbrush. The plug has metal prongs. Why are the prongs made of metal? a) metal doesn’t acquire hot. B) steel is an insulator. C) steel is strong. D) steel is a conductor.

15 The diagram reflects an incomplete electrical circuit. Use the diagram come answer the question. What deserve to be excellent to gain the light bulb to walk on? a)Remove cable C b)Connect wire B to the other side that the bulb c)Join wire A to wire B d)Connect cable A to cable C

16 describe some special features of each: electrical Circuits ________________ _________________ Electromagnetism: _________________

17 electrical energy flows in a close up door path dubbed a circuit. A simple electrical circuit is a mechanism with three components that have: -A source that provides electrical energy -Something the uses electrical power -Wires to carry electricity power will only relocate if the wires and other parts type a complete circuit. It must be a closeup of the door and constant path. When electrical power runs v a wire, the wire becomes magnetic. This is well-known as electromagnetism.

18 materials that are great at transporting different types of energy are conductors. Lock conduct power from one ar to another. Copper is a great conductor of electricity. Products that execute not carry some creates of energy very well room insulators. Insulators can be used to block the motion of energy.

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Plastic and also rubber are an excellent insulators of electricity.