Physics Laboratory Manual
Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Chapter 33, Problem 1PLA
To determine

The charge on the capacitor.

Expert Solution & Answer
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Answer to Problem 1PLA

Option (a) the charge on the capacitor is initially zero and finally Cε.

Explanation of Solution

In Figure 33-1, initially the capacitor is uncharged. Therefore, the initially the charge store on the capacitor is zero.

If the switch is thrown to position A at t=0, the capacitor starts to charge and increases exponentially until it reaches Cε.

Conclusion:

  1. (a) The charge on the capacitor is initially zero and increases exponentially until it reaches Cε. Thus, option (a) is correct.
  2. (b) The charge on the capacitor is initially zero. Thus, option (b) is incorrect.
  3. (c) The charge on the capacitor is initially zero and finally Cε. Thus, option (c) is incorrect.
  4. (d) The final value of the capacitor is Cε. Thus, option (d) is incorrect.

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In an L-C circuit, C= 3.21 μF and L = 88.0 mH . During the oscillations the maximum current in the inductor is 0.853 mA. What is the maximum charge on the capacitor? What is the magnitude of the charge on the capacitor at an instant when the current in the inductor has magnitude 0.497 mA?
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