7. The resistance of a coil of nickel wire at 20°C is 100 ohms. The temperature of the wire is increased and the resistance rises to 130 ohms. If the temperature coefficient of resistance of nickel is 0.006/°C at 20 °C, determine the temperature to which the coil has risen.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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7. The resistance of a coil of nickel wire at 20°C is 100 ohms. The temperature of
the wire is increased and the resistance rises to 130 ohms. If the temperature
coefficient of resistance of nickel is 0.006/°C at 20 °C, determine the temperature
to which the coil has risen.
Transcribed Image Text:7. The resistance of a coil of nickel wire at 20°C is 100 ohms. The temperature of the wire is increased and the resistance rises to 130 ohms. If the temperature coefficient of resistance of nickel is 0.006/°C at 20 °C, determine the temperature to which the coil has risen.
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