Concept explainers
(a)
The configuration of the capacitors.
(a)
Answer to Problem 74GP
The seven capacitors are connected in the parallel connection.
Explanation of Solution
Introduction:
The equivalent capacitance of the capacitors in the parallel connection increases with addition of more capacitors, so if new capacitors are added to capacitors in parallel connection then new equivalent capacitors also increase.
The area of the variable capacitor changes from
Conclusion:
Thus, the seven capacitors are connected in the parallel connection.
(b)
Range of the capacitance values.
(b)
Answer to Problem 74GP
The range of the capacitances is from
Explanation of Solution
Given info:
The minimum area of the variable capacitor is,
The maximum area of the variable capacitor is,
The separation between the plates of the capacitors is,
Formula Used:
The expression to calculate the minimum capacitance is,
Here,
The expression to calculate the maximum capacitance is,
Calculation:
Substitute all the values in the above expression.
Substitute all the values in the above expression.
Conclusion:
Thus, the range of the capacitances is from
Chapter 19 Solutions
Physics: Principles with Applications
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