11th Class Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति Question Bank Work, Energy And Power Conceptual Problems

  • question_answer
    Which of the two: kilowatt hour or electron volt is a bigger unit of energy and by what factor?

    Answer:

                    Kilowatt hour \[\left( \text{kWh} \right)\] is a bigger unit of energy. \[\frac{1kWh}{1eV}=\frac{3.6\times {{10}^{6}}J}{1.6\times {{10}^{-19}}J}=2.25\times {{10}^{25}}\]


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