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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.
An oil pump is drawing 25 kW of electric power while pumping oil with ρ = 860 kg/m 3 at a rate of 0.1 m 3 /s. The inlet and outlet diameters of the pipe are 8 cm and 12 cm, respec
Distinguish between negative and positive crystal?
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