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12 Cards in this Set
- Front
- Back
Power |
The rate per until time when electrical power is transferred byan electrical power |
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Load |
A device that converts electrical energy to another type of energy |
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Switch |
a device that controls the flow of electrons in a circuit |
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Fuse |
A decice that can stop the current if it becomes overloaded |
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Resistor |
A device that reduces the flow of electrical current |
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Unit for power |
Watts (w) |
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Unit for cost of electricity |
$ |
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Unit for current |
Ampheres |
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Unit for potential difference |
Voltage |
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4 factors that affect resistance in wires and materials |
Length Diameter/width Temperature Resistivity |
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Define ohms law |
The resistance of a load is equal to (the same as) the potential differnxe across the load over the current length |
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Difference between series and parallel circuit |
A series circuit has only one path for charge to follow, whereas a parallel circuit has two or more paths |