A piece of resistance wire have a resistance of R ohm. It is doubled on itself. Now its resistance will be
R/3
R/4
5/R
4/R
A piece of resistance wire have a resistance of R ohm. It is doubled on itself. Now its resistance will be
A. R/3
B. R/4 (Correct Answer)
C. 5/R
D. 4/R
What is meant by "double on itself " ?