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Suppose the 1 m2 solar panel is used to supply electricity to a house in California,...

Suppose the 1 m2 solar panel is used to supply electricity to a house in California, where the cost of electricity is about 20¢ per kWh. Make a reasonable estimate of how many hours of full sunlight would be needed for the savings on the electricity bill to pay for the cost of buying the panel. 1 m2 solar panel under full sunlight gets 150 watts and costs $200.

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Answer #1

cost of electricity = 204 pes kih cost of Im? solar panel=200& _ = 20000 under full sunlight lm² solar. pand gets 150 Watt as

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