Field Theory The attractive or repulsive force between two charges acts without any physical contact between them. So, like magnetic force or gravitational force, the......

Coulomb’s law: Mathematical Explanation At a particular medium, the magnitude of the attractive or repulsive force between two point charges is directly proportional to the......

Coulomb’s Law in terms of Point Charges We know, a charge attracts or repels another charge. The force of attraction or repulsion between two charges......

Formulation of Second Law of Thermodynamics in terms of Entropy The thermal property that remains constant in the adiabatic process is called entropy. Alternately, entropy......

The thermal property that remains constant in the adiabatic process is called entropy. Alternately, entropy is the physical property of the body that remains constant......

Efficiency of Carnot’s Engine The Carnot’s engine is called an ideal engine. The most efficient heat engine cycle is the Carnot cycle, consisting of two......

Entropy is a measure of disorderliness The thermal property that remains constant in an adiabatic process is called entropy. Alternately, entropy is the physical property......

Significance of Entropy The thermal property that remains constant in an adiabatic process is called entropy. Alternately, entropy is the physical property of the body......

Entropy is a measure of the disorder or randomness of a system. A campfire is an example of entropy. Scientist Clausius realized while applying second......

Efficiency of Engine Before discussing the efficiency of an engine we need to know what are heat engine and its working principle. The machine by......

Co-efficient of Performance of a refrigerator The ratio of heat removed from the refrigerator and the mechanical work done is called co-efficient of performance. It is......

Refrigerator: Heat Engine Almost in every house, we use the refrigerator for cooling of fish, meat, drinking water, ice cream etc and for preservation purpose.......

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