A 400-W Heater Carries a Current of 4

question 34

Multiple Choice

A 400-W heater carries a current of 4.0 A.How much does it cost to operate the heater for 50 min if electrical energy costs 6 cents per kWh?

• A) 2 cents
• B) 12 cents
• C) 2.9 cents
• D) 0.1 cents
• E) ​40 cents

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Development that meets the needs of the present without compromising the ability of future generations to meet their own needs, emphasizing environmental, social, and economic sustainability.

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