The brightness of the bulb in Europe.
Answer to Problem 32P
Explanation of Solution
Given info:
Power,
Voltage in Europe,
Voltage in USA,
Formula used:
Expression for the power in terms of resistance and voltage:
Where,
Calculation:
It is known that the power is
According to this, the brightness of Europe’s lightbulb will be greater than USA’s lightbulb.
Now, find the relation between two brightness’s. For the find the ration of
Substitute the given values,
Therefore,
Conclusion: The brightness in USA is one fourth of the original brightness.
Chapter 18 Solutions
Physics: Principles with Applications
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