BTU is defined as what?

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Multiple Choice

BTU is defined as what?

Explanation:
BTU is a unit of energy used in heating and cooling. It is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit, at standard pressure. This makes BTU an energy measure, not a rate. When you see BTU per hour, that’s a rate of heat transfer (power), not the basic unit itself. The other choices mix in Celsius, imply a rate, or refer to electrical resistance, which isn’t what a BTU represents.

BTU is a unit of energy used in heating and cooling. It is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit, at standard pressure. This makes BTU an energy measure, not a rate. When you see BTU per hour, that’s a rate of heat transfer (power), not the basic unit itself. The other choices mix in Celsius, imply a rate, or refer to electrical resistance, which isn’t what a BTU represents.

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