Combine Ohms law and the equation for power consumption toderive the equation that gives
Chapter 7, Problem Challenges 9(choose chapter or problem)
Combine Ohms law and the equation for power consumption toderive the equation that gives the power in terms of current andresistance. Use the result to answer the following question. A cablecarrying electrical energy wastes 10 kWh of energy each day becauseof ohmic heating. If the current in the cable is doubled but thecables resistance remains the same, how much energy will it wasteeach day?
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