yeboahabigail159 yeboahabigail159

23-04-2024
Mathematics

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The heat (H) produced by an electrical current varies directly as the square of the applied voltage V and inversely as the resistance R of the wire. A voltage of 240 V applied to a wire of resistance 50 ohms produces 69 kJ of heat. What resistance would produce 150 kJ of heat when the voltage is 210 V?

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