One horsepower is equal to how many watts?

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Study for the Basic Electricity Exam. Prepare with detailed multiple choice questions, each question includes hints and explanations. Get ready for success!

Multiple Choice

One horsepower is equal to how many watts?

Explanation:
Power can be measured in watts, which is joules per second, while horsepower is a traditional unit for mechanical power. One horsepower is defined as 550 foot-pounds per second. Since 1 foot-pound is about 1.3558 joules, 550 × 1.3558 ≈ 745.7 watts. Rounding to 746 watts is standard, so the conversion is about 746 W. The other numbers don’t match the defined conversion.

Power can be measured in watts, which is joules per second, while horsepower is a traditional unit for mechanical power. One horsepower is defined as 550 foot-pounds per second. Since 1 foot-pound is about 1.3558 joules, 550 × 1.3558 ≈ 745.7 watts. Rounding to 746 watts is standard, so the conversion is about 746 W. The other numbers don’t match the defined conversion.

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