3. A power station delivers 520 kW of power to a factory through wires of total resistance 3.0 Q. How much less power is wasted if the electricity is delivered at 50,000 V rather than 12,000 V? Hint: the transmission wires and the factory can be thought of as just two resistors arranged in series, where the resistance of the factory is gigantic compared to the resistance of the wires.
3. A power station delivers 520 kW of power to a factory through wires of total resistance 3.0 Q. How much less power is wasted if the electricity is delivered at 50,000 V rather than 12,000 V? Hint: the transmission wires and the factory can be thought of as just two resistors arranged in series, where the resistance of the factory is gigantic compared to the resistance of the wires.
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