(a)
The maximum instantaneous dissipated power by a pump.
(a)
Answer to Problem 47P
The maximum instantaneous dissipated power by the pump is
Explanation of Solution
Given:
Power of pump,
Voltage supply,
Formula used:
Write the expression to calculate the value of rms voltage.
Where,
Write the expression to calculate the value of rms current.
Where,
Write the expression to calculate the peak power.
Where,
Calculation:
Consider the conversion factor to convert the horsepower to watt.
Calculate the peak voltage from equation (1).
Since, the peak current is the maximum current passing through the pump. Use power formula to calculate the value of rms current.
Substitute the values in the above expression.
Substitute the value of the rms current in equation (2) to calculate the peak current.
Substitute the values in equation (3) to calculate the maximum instantaneous dissipated power by the pump.
Conclusion:
Therefore, the maximum instantaneous dissipated power by the pump is
(b)
The maximum current passing through the pump.
(b)
Answer to Problem 47P
The maximum current passing through the pump is
Explanation of Solution
Given:
Power of pump,
Voltage supply,
Formula used:
Write the expression to calculate the value of rms current.
Where,
Calculation:
From part (a), the value of the peak current is
Therefore, the maximum current passing through the pump is
Chapter 18 Solutions
Physics: Principles with Applications
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