பொருள் : A unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second.
ஒத்த சொற்கள் : j, watt second
பொருள் : English physicist who established the mechanical theory of heat and discovered the first law of thermodynamics (1818-1889).
ஒத்த சொற்கள் : james prescott joule