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A cylindrical aluminum pipe of length 1.27 m has an inner radius of 1.68 * 10...

A cylindrical aluminum pipe of length 1.27 m has an inner radius of 1.68 * 10 ^ (- 3) * m and an outer radius of 3.32 * 10 ^ (- 3) * m . The interior of the pipe is completely filled with copper. What is the resistance of this unit? (Hint: Imagine that the pipe is connected between the terminals of a battery and decide whether the aluminum and copper parts of the pipe are in series or in parallel .
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