The resistance of copper motor winding at t=20 C is 3.42 . After extended operation at full load, the motor windings measures 4.22 . If the temperature coefficient is 0.0426, what is the rise in temperature?

The resistance of copper motor winding at t=20 C is 3.42 . After exte

1.	The resistance of copper motor winding at t=20 C is 3.42 . After extended operation at full load, the motor windings measures 4.22 . If the temperature coefficient is 0.0426, what is the rise in temperature?
A.	60 C
B.	45.2 C
C.	72.9 C
D.	10.16 C
Answer» E.

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The resistance of copper motor winding at t=20 C is 3.42 . After extended operation at full load, the motor windings measures 4.22 . If the temperature coefficient is 0.0426, what is the rise in temperature?

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