Which uses more energy, a 250 W TV set for 1 hour or a 1,200 W toaster for 10 minutes?

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TextResistors in Parallel CombinationEquivalent Resistance CalculationCalculation of Electrical Energy Consumption

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A wire of resistance R is cut into three equal parts. If these three parts are then joined in parallel, calculate the total resistance of the combination so formed.

TextResistors in Parallel CombinationEquivalent Resistance CalculationElectric Power and Its Unit

Define electric power. When do we say that the power consumed in an electric circuit is 1 watt ?

TextResistors in Parallel CombinationEquivalent Resistance CalculationElectric Power and Its Unit