The unknown temperature.
Answer to Problem 23P
Explanation of Solution
Given:
A length of aluminium wire is connected to
A current of
A new measured current is
Formula used:
The resistivity of metal increases linearly with the temperature. Expression for this:
Where,
It is known that resistance:
Where,
Calculation:
For the wire,
The temperature from equation,
Substitute the given values:
Conclusion:
The unknown temperature,
Chapter 18 Solutions
Physics: Principles with Applications
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