What will be the mean temperature of coil when the current has fallen to 8 A ?

Posted on 2013-12-07 17:18:00 in Engineering by ERIK

Questions : A potential difference of 200 V is applied to a copper field coil at a temperature of 15^oC and the current is 10 A. What will be the mean temperature of coil when the current has fallen to 8 A ? Applied voltage being same. Given ? = 1/234.5 per ^oC at 0^o C. 

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