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# Kindly show each step for learning reference: An aluminum bar 3.87 m long has a rectangular cross section 1.35 cm by 5.05 cm Part A What is its

**Kindly show each step for learning reference:**

An aluminum bar 3.87 m long has a rectangular cross section 1.35 cm by 5.05 cm

Part A

What is its resistance?

Part B

What is the length of a copper wire 1.50 mm in diameter having the same resistance?