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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker
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IP Consider the RC circuit shown in Figure 21-44. Find(a)

Chapter 21, Problem 85P

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QUESTION:

Consider the RC circuit shown in Figure 21–44. Find

(a) the time constant and

(b) the initial current for this circuit.

(c) It is desired to increase the time constant of this circuit by adjusting the value of the \(6.5-\Omega\) resistor. Should the resistance of this resistor be increased or decreased to have the desired effect? Explain.

Equation Transcription:

Text Transcription:

6.5- \Omega

6.5 \Omega

13 \Omega

24 \Omega

62 \mu F

15 V

Questions & Answers

QUESTION:

Consider the RC circuit shown in Figure 21–44. Find

(a) the time constant and

(b) the initial current for this circuit.

(c) It is desired to increase the time constant of this circuit by adjusting the value of the \(6.5-\Omega\) resistor. Should the resistance of this resistor be increased or decreased to have the desired effect? Explain.

Equation Transcription:

Text Transcription:

6.5- \Omega

6.5 \Omega

13 \Omega

24 \Omega

62 \mu F

15 V

ANSWER:

Step 1 of 5

(a) Resistors  and  are connected in series so,

We have,  and

So,

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