Start learning →

A device that moved heat from cold to hot with no work input would be a:

APerfect funnel
BPerfect furnace
CPerfect fridge
DPerfect filter
Answer & Solution
Correct answer: C. Perfect fridge
1. It would need no energy at all. 2. The second law forbids it. 3. That is a perfect refrigerator. _Source: OpenStax University Physics Volume 2, Chapter 4, The Second Law of Thermodynamics._
Practise this question with Quill — BARC →

Keep practising Second Law of Thermodynamics

Browse all Second Law of Thermodynamics questions for BARC, or explore more Physics topics.

Start a Second Law of Thermodynamics lesson →
Related questions
Thermodynamics bingoType the numberSort the thermal ideasEngine or refrigeratorSlice the thermal wordsRun the thermal gatesPop the irreversible signsCatch the thermal devices