A Nichrome Wire Is Used as a Heating Element in a Toaster.From

question 43

Multiple Choice

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 20.0% from its initial value.What is the temperature change in the wire? The temperature coefficient of resistivity for Nichrome is 0.000400 (°C) ^-1.

• A) 200°C
• B) 400°C
• C) 500°C
• D) 625°C
• E) 300°C

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