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

question 10

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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Definitions:

Stimulus Generalization

The psychological phenomenon where a learned response to a specific stimulus is evoked by similar stimuli, indicating a transfer of learning.

Similar Manner

Refers to actions or processes that are alike or nearly identical in method or execution.

Different Stimuli

Refer to various external or internal factors that can elicit responses from an organism or a system.

Ratio Strain

A breakdown in the performance of learned behaviors that occurs when reinforcement schedules are thinned too quickly.