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Definition
| 1 of 2 ends of mag.; where a mag.’s pull is strongest |
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Definition
| a region of mag. force around a mag. |
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Definition
| a temp. mag. created when curr. flows thru wire wrapped in coils around iron bar |
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Definition
| a power source that transforms elec. energy into movm’t, or mech. energy |
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Term
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Definition
| a device that creates alternating curr. by spinning an elec. coil b/w the poles of a powerful mag. |
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Definition
| curr. that flows in a circuit, first in one dir., then in the opp. dir. |
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Definition
| curr. that flows in one dir. thru a circuit |
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Term
| 3 elements that are attracted to magnets |
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Definition
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Definition
| machine that turns to generate electricity; powered by wind, water, or steam |
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Definition
| measure of force of curr.; can be dangerous if too high |
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Definition
| changes voltage of electric curr. by increasing or decreasing it |
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Definition
| current flows in both directions; used in electrical outlets in home |
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Definition
| current flows in only 1 direction; used in batteries |
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