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Calculate the Current Drawn by a DC Motor with an Efficiency of 80%

Question Find the current drawn from 110V line by a DC electric motor that delivers 800W with an efficiency of 80%.Summary The question belongs to Physics and it is about the current drawn by a dc motor running at 800W with an efficiency of 80%. The solution has the detailed calculation.   ... Read More

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Calculate the Resistance of Annealed Copper Wire

Question What is the resistance of an annealed copper wire that has a length of 500m and a diameter of 0.5 mm? How a diameter two times smaller affects the resistance.Summary The question belongs to Physics and it is about calculating the resistance of an annealed copper wire of length 500m and a ... Read More

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