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# The bridge circuit shown is balanced when #! = 100 ft, R2 = 1000 ft, and R3 = 150 ft

ISBN: 9780136114994 391

## Solution for problem 3.7 Chapter 3

Electric Circuits | 9th Edition

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Problem 3.7

The bridge circuit shown is balanced when #! = 100 ft, R2 = 1000 ft, and R3 = 150 ft. The bridge is energized from a 5 V dc source. a) What is the value of Rx? b) Suppose each bridge resistor is capable of dissipating 250 mW. Can the bridge be left in the balanced state without exceeding the power-dissipating capacity of the resistors, thereby damaging the bridge?

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