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Heating Effect of an Electric Current

question 1 of 10 Grade: Twelve - G12
question 1 of 10 Grade: Twelve - G12

Q: An electric cooker has an oven rated 3000W, a grill rated 2000W and two heater plates each rated 900W. The cooker operates from a 240V mains supply. If the cost of electricity is 55 ngwee per unit of electricity, what would be the cost of running the oven, the grill and the two heater plates for 5 hours?

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Sustainable fishing ensures fish populations are not overexploited. It maintains marine ecosystems, supports fisheries, and ensures food security.

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