Empirical formula for calculating the number of strands

Q.  What is the empirical formula to calculate the number of strands?
- Published on 23 Nov 15

a. 3n (n+2n) + 2
b. 3n (n+1) + 2
c. 3n (n+1) + 1
d. 3n (3+ 3n) + 1

ANSWER: 3n (n+1) + 1

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    Discussion

  • Rajesh   -Posted on 17 Jul 23
    3x(x-1)+1= no of stranded conductor wire any books this formula write so what is the wright formula

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