4. Find the length of a piece of nichrome wire 0.102 cm in diameter and has a resistance of 25 Q. Specific resistance of nichrome wire is 109 µN-cm.
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Find the length of a piece of nichrome wire 0.102 cm in diameter and has a
resistance of 25 Ω. Specific resistance of nichrome wire is 109 μΩ-cm.
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