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# A black box with a circuit in it is connected to a ISBN: 9780073380575 128

## Solution for problem 4.86 Chapter 4

Fundamentals of Electric Circuits | 5th Edition

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Problem 4.86

A black box with a circuit in it is connected to a variable resistor. An ideal ammeter (with zero resistance) and an ideal voltmeter (with infinite resistance) are used to measure current and voltage as shown in Fig. 4.143. The results are shown in the table on the next page. (a) Find i when (b) Determine the maximum power from the box. R() V(V) i(A) 2 3 1.5 8 8 1.0 14 10.5 0.75

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##### ISBN: 9780073380575

Since the solution to 4.86 from 4 chapter was answered, more than 225 students have viewed the full step-by-step answer. The answer to “A black box with a circuit in it is connected to a variable resistor. An ideal ammeter (with zero resistance) and an ideal voltmeter (with infinite resistance) are used to measure current and voltage as shown in Fig. 4.143. The results are shown in the table on the next page. (a) Find i when (b) Determine the maximum power from the box. R() V(V) i(A) 2 3 1.5 8 8 1.0 14 10.5 0.75” is broken down into a number of easy to follow steps, and 74 words. The full step-by-step solution to problem: 4.86 from chapter: 4 was answered by , our top Engineering and Tech solution expert on 11/10/17, 05:48PM. This textbook survival guide was created for the textbook: Fundamentals of Electric Circuits, edition: 5. This full solution covers the following key subjects: box, shown, resistance, ideal, next. This expansive textbook survival guide covers 18 chapters, and 1560 solutions. Fundamentals of Electric Circuits was written by and is associated to the ISBN: 9780073380575.

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