Stack #123168
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| Michael Faraday | The inventor of the electrical generator and the electrical transformer
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| Like charges repel one-another | the first rule of electrical charge
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| Opposite charges attract one another | the second rule of electrical charge
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| All electrical charges attract or repel one another, depending on whether they have opposite charges or similar charges | principle #1 of the force that exists between electrical charges
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| The force between charged objects is directly proportional to the amount of electrical charge on each object | principle #2 of the force that exists between electrical charges
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| The force between charged objects is inversely proportional to the square of the distance between the two objects | principle #3 of the force that exists between electrical charges
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| Photons | small "packages" of light that act just like small particles
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| Charging by induction | Charging an object by forcing some of the charges to leave the object
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| Charging by conduction | Charging an object by allowing it to come into cntact with an object that already has an electrical charge
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| Electrical current | The amount of charge that travels through an electrical circuit each second
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| Conventional current | current that flows from the positive side of a battery to the negative side. This is the way current is drawn in circuit diagrams, even though it is wrong
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| Resistance | A measure of how much a metal impedes the flow of electrons
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| Open circuit | A circuit that does not have a complete connection between the two sides of a battery. As a result, current does not flow
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| Series circuit | When electrical devices are hooked up in a circuit that makes it so that if one part of the device fails, all of it will
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| North Pole magnet | One side of a magnet that is attracted to the South Pole side of a magnet
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| South Pole magnet | One side of a magnet that is attracted to the North Pole side of a magnet
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| Magnetic field lines | Lines that indicate the direction that the magnetic force pushes at any point near the magnet
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| parallel circuit | a circuit that is hooked up in such a way to allow devices to function independently of one another. If one stops working, the others can still work
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| monopole | a magnetic pole isolated by itself. Scientists are looking for this.
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| dipoles | magnets which have a north pole and a south pole. So far, all magnets found have been dipoles
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