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Definition
| An electrical device that changes the potential difference (a.k.a. voltage) of an alternating current. |
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| The current in which charged particles travel through a circuit in only one direction. |
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| The current in which electrons move back and forth in a circuit. |
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| (ex. of a fuse) A safety device that is placed in serious with other circuit, which leads to appliances and outlets. |
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Definition
| A safety device, usually found in older buildings and some appliances; like a circuit breaker. |
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| The rate at which appliances use electrical energy. |
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Definition
| The unit of Electrical Power. |
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| A practical unit of Electrical Power; 1 kW = 1000 W |
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| A label that gives details about how much energy an appliance uses in one year of normal use. |
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| A meter that records the total electrical energy use hour by hour and sends this information to the utility company automatically. |
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| A system in which the cost of each kW.h of energy is different, at different times of the day. |
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Definition
| The electricty that is consumed by an appliance or device, when it is turned off. |
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Definition
| The ratio of useful energy output : to the total energy input, expressed as a percentage. |
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Definition
| The continuous minimum demand for Electrical Power. |
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Term
| Hydroelectric Power Generation |
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Definition
| The generation of electrical power by using a source of moving water. |
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Definition
| A source of energy that can be replaced in a relatively short period of time. |
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Definition
| A source of energy that CANNOT be replaced as quickly as it is used. |
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Definition
| A demand for electricity that is greater than the base load, and is met by burning coal and natural gas. |
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Definition
| The greatest demand for electricity, which is met by using hydroelectric power and natural gas. |
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| Many large wind turbines in one location. |
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| The energy that is directly converted from the sun into electricity. |
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Definition
| The generation of a direct current, when certain materials are exposed to sunlight. (ex: solar cells) |
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Definition
| Energy that is generated from plant and animal matter. |
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Term
| It's practical unit is the kW. |
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Definition
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| A demand that is met using fossil-fuel-burning generators, which can be turned on and off quickly. |
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