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An aluminum bar 3.74 m long has a rectangular cross section 1.11 cm by 5.30 cm.
What is the resistance ?
R = ____ ohms
What is the length of a copper wire 1.53 mm in diameter having the same resistance?
L= ____ m.
What is the resistance ?
R = ____ ohms
What is the length of a copper wire 1.53 mm in diameter having the same resistance?
L= ____ m.