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What is the resistance of a coil of aluminium wire
The resistance of a coil of aluminium wire at 18?C is 200?.
The temperature of the wire is increased and the resistance rises to 240 ?.
If the temperature coefficient of resistance of aluminium is 0.0039/ ?Cat18?C verify the temperature to which the coil has risen.
The Sodium chloride structure NaCl is an ionic crystal and in this crystal the sodium and chlorine ions are located side-by side in the FCC lattice. Like diamond it is also a
Sievert; Sv: The derived SI unit of dose equivalent, explained as the absorbed dose of ionizing radiation multiplied through internationally-agreed-upon dimensionless weights,
What components/materials are chosen because of their especially high resistivity and explain why high resistivity
(i)Cathode waves always travel in straight path. (ii) Cathode rays exert mechanical force on the objects they strike. (iii) Cathode rays make fluorescence. (iv)
Defect of short sightedness In this defect the image of the object is formed in front of retina or the lens become so converging.
Explain Conservation of Angular Momentum When a body rotates (spins like a top) or revolves (moves in a circle around a central point), all of the rules that we have used to ca
Q. Explain with the help of diagram and experiment arrangement to produce Newton's rings.
how do we see light?
what is the formula of accelaration
at a particular instant the speedometer of a vehicle shows 30km/hr .it is the a}average speed b}instantaneous speed c}uniform speed d}non-uniform speed
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