Time required to accomplish the task.
Answer to Problem 30PP
Explanation of Solution
Given:
Initial voltage rating of water heater,
Time taken to heat,
New voltage rating of water heater,
Current is same,
Energy required is same
Formula Used:
The energy power relation is given as,
Where,
Calculation:
Let, the energy required for 120 V unit is
So energy required for 240 V unit is
Conclusion:
Therefore, the time required to accomplish the same task is 1.1 hours.
Chapter 22 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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University Physics Volume 2
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Sears And Zemansky's University Physics With Modern Physics
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