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ISOLATED SYSTEM:
"When a number of bodies are like that they can exert force upon one another and no external agency exerts a force on them, they are said to form an isolated system".
EXAMPLES:
The molecules of a gas enclosed in a vessel at constant temperature form an isolated system of interacting bodies. The enclosed molecules collide with one another because of their random motion but no external force acts on them.
Gauss' law for magnetic fields The magnetic flux by a closed surface is zero; no magnetic charges present. In differential form, div B = 0.
COLLISION: "When two or more bodies come close to each other, so that there is some part of interaction among them, with or without the presence of external force, we say tha
A coil of 300 turns is wound uniformly on a ring of non-magnetic material. The ring has a mean circumference of 40cm and a uniform cross-sectional area of 4cm 2 . If the current in
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Bernoulli's equation In an irrotational fluid, total of the static pressure, the weight of the fluid per unit mass times the height, & half the density times the velocity squa
Earth is losoing heat in order balance the input outpout . But where is going that heat since there is nothing out to get it. Billions of stars are loosing heat the same way and so
calour formed in pure and impure spectrum
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Can you explain thermistor? Write short notes on back emf and internal resistance of a cell.
Q. A neutral Ping Pong ball dangles from the ceiling by a thread. A person chafes a rubber rod with animal fur and then touches the Ping Pong ball with the rubber rod. Afterwar
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