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2. Magnetic Effects of Electric Current
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Q25 of 238 Page 114

What current is taken by a 3 kW electric geyser working on 240 V mains?

given, P = 3kW = 3000W

V = 240V


P = V x I


I = P/V


= 3000/240 = 12.5 A


12.5A would be the required current.


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Questions · 238
2. Magnetic Effects of Electric Current
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