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

question 61

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% from its initial value. What is the temperature change in the wire? The temperature coefficient for Nichrome is α = 0.0004 (°C) ^-1.

• A)200°C
• B)400°C
• C)500°C
• D)100°C
• E)300°C

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