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A copper pot with mass 0.500 kg contains 0.170 kg of water ata temperature of 20.0ºC. A 0.250-kg block of iron at85.0ºC is dropped into the pot. Find the final temperature, assuming no heat loss to the surroundings
It is the electric dipole moment induced in a system, such as an atom or molecule, by an electric field of unit strength.
The potential difference across the terminals of a cell when it is not supplying any current is known as it's emf.
A transformer takes a current of 1A when its primary is connected to a 300V, 50Hz supply, the secondary being on open-circuit. If the power absorbed is 120watts, Determine
what are the characterstics of laser?
Circuits involving capacitive decay: Consider the circuit shown below. Depending on the time constant of the circuit, relative to the period of the square wave applied to it,
A sample of argon of mass 10.4 g occupies 2100 ml at 30 o C . (i) Calculate the work done by the gas when it expands isothermally against a constant external pressure of 3
Q. State any three uses of IR rays. (a) Infrared lamps are utilized in physiotherapy. (b) Infrared photographs are utilized in weather forecasting. (c) As infrared radia
what is the substance produced in the liver that acts in the small intestine during digestion?
yes.fricton is working always opposite to the motion
why wouldn''''t you be electrocuted if you walked under an electric transmission line during a rainstorm?
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