Concept explainers
(a)
The resistance of a battery.
(a)
Answer to Problem 11P
Explanation of Solution
Given:
Voltage,
Formula used:
From the Ohm’s law,
The relation between resistance, voltage and current
Where
After rearranging the expression:
Calculation:
Substituting the values in the formula,
Conclusion:
The resistance is
(b)
The energy loss by battery in a minute.
(b)
Answer to Problem 11P
Explanation of Solution
Given:
Voltage,
Formula used:
The change in potential energy is
Calculation:
By using the formula,
Calculation for the energy per minute
It is known that
So,
Conclusion:
The energy loss by battery is
Chapter 18 Solutions
Physics: Principles with Applications
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