Physics · Thermodynamics
एक कार्नोट ऊष्मा इंजन की दक्षता 10% है। यदि इसी इंजन को विपरीत दिशा में चलाकर रेफ्रिजरेटर की तरह उपयोग किया जाए, तो रेफ्रिजरेटर का कार्य गुणांक (coefficient of performance) क्या होगा?
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