A heating element made of nichrome wire (temperature coefficient of resistivity, $\alpha$ = 0.400 $\times$10^-3 K^-1)is connected to a source.When it has just been turned on and its temperature is 20ºC,it dissipates 960 W of power.What power is dissipated when its temperature has risen to 300ºC? A)1.1 $\times$ 10³ W B)9.6 $\times$ 10² W C)8.6 $\times$ 10² W D)8.6 $\times$ 10³ W E)1.1 $\times$ 10² W

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The Answer of A heating element made of nichrome wire (temperature coefficient of resistivity, $\alpha$ = 0.400 $\times$10^-3 K^-1)is connected to a source.When it has just been turned on and its temperature is 20ºC,it dissipates 960 W of power.What power is dissipated when its temperature has risen to 300ºC? A)1.1 $\times$ 10³ W B)9.6 $\times$ 10² W C)8.6 $\times$ 10² W D)8.6 $\times$ 10³ W E)1.1 $\times$ 10² W

A Heating Element Made of Nichrome Wire (Temperature Coefficient of Resistivity