The kilowatt-hour is the unit of electrical energy used by electricity suppliers - Junior Cycle Science - Question b - 2007
Question b
The kilowatt-hour is the unit of electrical energy used by electricity suppliers. The photograph shows a kWh (kilowatt-hour) meter. This meter is connected into the ... show full transcript
Worked Solution & Example Answer:The kilowatt-hour is the unit of electrical energy used by electricity suppliers - Junior Cycle Science - Question b - 2007
Step 1
Give two advantages to the consumer of having this type of meter.
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Answer
The consumer can monitor their electricity usage on a daily basis, enabling them to make informed decisions on their consumption patterns.
It allows the consumer to locate which part of their household consumes the most electricity, helping them to budget and potentially save on electricity costs.
Step 2
Define the Watt, the unit of power.
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The Watt is defined as the rate of energy transfer equivalent to one Joule per second. It measures how much energy is consumed or produced over time.
Step 3
Give one application of the chemical effect of electric current.
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Electrolysis, which is the process of using electric current to drive a chemical reaction.
Step 4
Give one application of the magnetic effect of electric current.
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Used in electric motors, which convert electrical energy into mechanical energy by utilizing the magnetic effect of electric current.
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