A strand of wire has resistance 5.60 µ?. Find the net

Chapter 25, Problem 27E

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QUESTION:

Problem 27E

A strand of wire has resistance 5.60 µΩ. Find the net resistance of 120 such strands if they are (a) placed side by side to form a cable of the same length as a single strand, and (b) connected end to end to form a wire 120 times as long as a single strand.

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QUESTION:

Problem 27E

A strand of wire has resistance 5.60 µΩ. Find the net resistance of 120 such strands if they are (a) placed side by side to form a cable of the same length as a single strand, and (b) connected end to end to form a wire 120 times as long as a single strand.

ANSWER:

Solution 27E

Step 1 :

Introduction:

In this question, we need to find the net resistance of strands of wire  

When they placed side by side to form cable

When they are connected end to end to wire

Data given

Resistance of one strand

Number of strands

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