(a)
The resistance of the bulb and the power dissipated should be calculated.
(a)
Answer to Problem 35P
Explanation of Solution
Given:
Current,
Voltage,
Formula used:
Expression to calculate voltage:
Where,
General form of electrical power:
Calculation:
Rearrange the given formula,
So, a new expression is
Substitute the given values,
Now, calculate power by substituting the given values in formula
Conclusion:
The resistance of the bulb is
(b)
Power would increase by a factor should be discussed.
(b)
Answer to Problem 35P
Power would increase by a factor of
Explanation of Solution
Given:
Current,
Voltage,
Formula used:
Expression to calculate voltage:
Where,
General form of electrical power:
Calculation:
Power would increase by a factor of
Conclusion: The required factor is four.
Chapter 18 Solutions
Physics: Principles with Applications
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