Answer to Question #198934 in Physics for jonnie paul dacut

Question #198934

A 220 V – 5 A electric lamp is used for 30 minutes. How much energy does it require

Expert's answer

"E=Pt=IVt,""E=5\\ A\\cdot220\\ V\\cdot30\\ min\\cdot\\dfrac{60\\ s}{1\\ min}=1.98\\cdot10^6\\ J."

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