Concept explainers
(a)
To Explain: Whether the capacitors are connected in series or in parallel.
(a)
Answer to Problem 49GP
Capacitors are connected in parallel.
Explanation of Solution
Introduction:
An electronic device used to store energy is called a capacitor. A simple capacitor device can be made by using two
According to the given figure, the capacitors are connected in parallel, because this can change the capacitance simply by turning the capacitors to different angles.
Conclusion:
Capacitors are connected in parallel.
(b)
To Find: The range of the capacitance values.
(b)
Answer to Problem 49GP
The range is given as:
Explanation of Solution
Given:
Separation of the plates,
Minimum area,
Maximum area,
Formula used:
Capacitance can be given as:
Here,
Calculation:
Range can be calculated as follows:
Firstly, for minimum area the capacitance will be:
For maximum area, the capacitance can be given as:
So, the range is given as:
Conclusion:
The range is given as:
(c)
To find: Value of inductor needed.
(c)
Answer to Problem 49GP
The value of inductor needed can be:
Explanation of Solution
Given:
Frequency range of AM stations: 550 kHz to 1600 kHz.
Formula used:
Frequency can be given as:
Here,
Calculation:
For lowest frequency, the value of inductor is given by:
So, the resonant frequency is given by:
For highest frequency, the value of inductor can be given as:
Conclusion:
Hence, the value of inductor needed can be:
Chapter 22 Solutions
Physics: Principles with Applications
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