Given: A 50 cm long fine wire of 0.02 mm dia is maintained constant at 54°C by an electric current when exposed to air a
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Given: A 50 cm long fine wire of 0.02 mm dia is maintained constant at 54°C by an electric current when exposed to air a
Given: A 50 cm long fine wire of 0.02 mm dia is maintained constant at 54°C by an electric current when exposed to air at 0°C. To find: The electric power necessary to maintain the wire at 54°C.
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