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Electricity supplied from the national grid costs 8p per kilowatt-hour
A householder is considering installing a solar panel. The household uses 4000kWh of electricity each year. The cost of installing a solar cell panel is £6400 per kW.
What is the payback time ?
Can you explain the answer too please ! xx Thankyou xxxx
( This question comes from the AQA Physics 1a June 08 paper) if you want to look up the whole thing
xx
A householder is considering installing a solar panel. The household uses 4000kWh of electricity each year. The cost of installing a solar cell panel is £6400 per kW.
What is the payback time ?
Can you explain the answer too please ! xx Thankyou xxxx
( This question comes from the AQA Physics 1a June 08 paper) if you want to look up the whole thing
xx