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A 500 W heating coil designed to operate from 110 V is made of Nichrome 0.500 mm in diametera. Assuming the resistivity of the nichrome remains constant at is 20.0 degrees C value find the length of wire used. b. Now consider the variation of resistivity with temperature. What power is delivered to the coil of part (a) when it is warmed to 1200 degrees C.?
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A 500 W heating coil designed to operate from 110 V is made of Nichrome 0.500 mm in diametera. Assum...
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