What is the length of a Nichrome wire of resistance 5.0Ω if the length of a similar wire of 120 cm has a resistance of 2.5Ω? [Please explain in Process]
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Answer:
240
Explanation:
R1 = P × L1 / A--------1
R2=P ×120(L2)/ A-------2
Now Divide eq 1 and 2
R1/R2 = L1/120
5/2.5 = L1/120
after solving we get
L1= 240.CM
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