A Nichrome wire is used as a heating element in a toaster. From the moment the toaster is first turned on to the moment the wire reaches it maximum temperature, the current in the wire drops by 20% from its initial value. What is the temperature change in the wire? The temperature coefficient for Nichrome is a = 0.0004 (°C)-1.
a) 200°C
b) 400°C
c) 500oC
d) 300°C
e) 100°C
Answers: 3
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A Nichrome wire is used as a heating element in a toaster. From the moment the toaster is first turn...
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