| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.SL.TZ1.21 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 21 | Adapted from | N/A |
Question
Two resistors X and Y are made of uniform cylinders of the same material. X and Y are connected in series. X and Y are of equal length and the diameter of Y is twice the diameter of X.
The resistance of Y is R.
What is the resistance of this series combination?
A. \(\frac{{5R}}{4}\)
B. \(\frac{{3R}}{2}\)
C. 3R
D. 5R
Markscheme
D
Examiners report
[N/A]
Syllabus sections
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