What was the contribution of J.P Joule in establishing the first low?�

1.	What was the contribution of J.P Joule in establishing the first low?
Answer» James Prescott JOULE STUDIED the NATURE of heat and established its relationship to mechanical work. He laid the foundation for the theory of conservation of energy, which later influenced the First Law of THERMODYNAMICS. He also formulated the Joule's law which DEALS with the transfer of energy.

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What was the contribution of J.P Joule in establishing the first low?​

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What was the contribution of J.P Joule in establishing the first low?