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Shanker

· started a discussion

· 1 Months ago

descrive (Question:140191.0)

By formula used

Question:

The masses of the three wires of copper are in the ratio of 1:3:5 and their lengths are in the ratio 5:3:1. The ratio of their electrical resistances is:

Options:
A) 1 : 3 : 5
B) 5 : 3 : 1
C) 1 : 25 : 125
D) 125 : 15 : 1
Solution:
Ans: (d)

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