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Definition
| a safety device that uses an electromagnet to shut off a circuit when the current becomes too high |
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Definition
| a device used to measure current in a circuit |
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Definition
| a method of charging an object by allowing electrons to flow directly from one object to another object |
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Definition
| the law that states that charges are neither gained nor destroyed |
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Definition
| the field around charged particles that exerts a force on other charged particles |
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Definition
| the potential energy per unit of electric charge |
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Definition
| an instrument used to detect electric charge |
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Definition
| a force that is exerted when two substances are rubbed together; electrons are transferred by rubbing |
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Definition
| a safety device with a thin metal strip that will melt if too much current passes through the circuit |
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Definition
| allowing charges to flow directly from the circuit to the ground connection |
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Definition
| a method of electrically charging an object by means of the electric field of another object |
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Definition
| a metal rod on a building connected to a grounding wire; meant to protect a building from lightning damage |
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Definition
| resistance equals voltage divided by current |
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Definition
| an electric circuit with multiple paths |
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Definition
| the difference in electrical potential between two places; measured in volts |
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Definition
| an electric circuit with a single path |
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Definition
| an electrical connection that allows current to take an unintended path |
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Definition
| the loss of static electricity as electric charges move off an object |
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Term
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Definition
| a buildup of charges on an object |
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Definition
| the round prong of a plug which connects the metal shell of an appliance to the safety grounding wire of a building |
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Term
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Definition
| potential difference; measured by a voltmeter |
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Definition
| creates a potential difference in an electric circuit; batteries and generators are examples of these |
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Term
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Definition
| a device used to measure voltage or potential difference |
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