Presentation on theme: "Electricity flows in a closed path referred to as a circuit. A basic electrical circuit is a device with three components that have: 1.A source that gives electricity."— Presentation transcript:




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

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2 power flows in a close up door path referred to as a circuit. A simple electrical circuit is a system with three parts that have: 1.A source that provides power 2.Something that uses electrical power 3.Wires to lug electricity A battery provides electricity, and has a positive(+) and an adverse (-) side.

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

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4 If this circuit is reduced at any kind of point, the electrical energy moving roughly the circuit will certainly stop. As a result, the light pear will have no power flowing v it. The bulb will certainly go out. The wires must additionally be associated to each side that the battery. If both end of the wire are associated to the very same side that the battery the electricity will not move about the circuit. The pear will obtain no energy and will not light. The wires need to touch both political parties of the irradiate bulb, otherwise the power will go around the pear without ever going with it. The bulb will certainly not light up.

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5 For any type of electrical appliance to work, there should be a complete path indigenous the power source to the appliance. When electrical power runs with some materials, it renders them hot. This is used for advantageous appliances such together toasters and irons. Some materials come to be so hot with electrical energy that they glow. Within a light bulb is a small wire, known as a filament, the glows indigenous this heat. Special gases in the light bulb do this glow even brighter, developing light energy.

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

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7 products that are great at transferring different species of power are conductors. Castle conduct power from one place to another. -Copper is a very an excellent conductor the electricity. That is why electric wires are often made the copper. -Other products are an excellent conductors of sound, heat, or light energy. Materials that carry out not lug some creates of energy an extremely well space insulators. Insulators have the right to be supplied to block the movement of energy. - Rubber and also plastic space not an excellent conductors the electricity. This is why we use these products to insulate electrical wires, so the we can handle castle without acquiring burned.

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

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10 study the appliances, and also identify what type of power each appliance produces. A light pear produces what kind of energy? a. Heat/thermal energy b. Electric energy c. Mechanical energy d. Light energy

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11 A toaster to produce what type of energy? a. Heat/thermal energy b. Electric energy c. Light power d. Mechanical energy

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

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

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14 Juan pen his teeth v an electric toothbrush. That is plug has metal prongs. Why room the prongs make of metal? a) steel doesn’t obtain hot. B) steel is an insulator. C) metal is strong. D) steel is a conductor.

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15 The diagram reflects an incomplete electric circuit. Use the diagram to answer the question. What deserve to be done to obtain the light bulb to go on? a)Remove wire C b)Connect wire B come the various other side the the bulb c)Join cable A to wire B d)Connect cable A to wire C

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16 define some special features of each: electric Circuits ________________ _________________ Electromagnetism: _________________

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17 electrical power flows in a closed path referred to as a circuit. A straightforward electrical circuit is a mechanism with three components that have: -A resource that provides electrical energy -Something the uses electrical power -Wires to carry electricity electrical power will only relocate if the wires and other parts type a complete circuit. It must be a close up door and consistent path. When electrical energy runs v a wire, the cable becomes magnetic. This is recognized as electromagnetism.

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18 products that are great at carrying different species of power are conductors. Lock conduct power from one place to another. Copper is a an excellent conductor that electricity. Materials that do not lug some forms of energy an extremely well are insulators. Insulators have the right to be used to block the motion of energy.

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Plastic and rubber are good insulators that electricity.

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