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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.
A helicopter is ascending vertically with a constant speed of 6 meters per second relative to the ground. At the immediate the helicopter is 60 meters above the ground it rele
A convex lens of refractive index 1.5 has a focal length of 18 cm in air. Measure the change in its focal length when it is immersed in water of refractive index. Distinguish am
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How much pressure produced by 6" diameter cylinder with height of 14" at 95 degrees Celsius
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