| Date | November 2013 | Marks available | 1 | Reference code | 13N.1.SL.TZ0.17 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 17 | Adapted from | N/A |
Question
A resistor X of resistance R is made of wire of length L and cross-sectional area A. Resistor Y is made of the same material but has a length 4L and a cross-sectional area 2A. X and Y are connected in series. What is the total resistance of the combination?
A. 1.5R
B. 2R
C. 3R
D. 9R
Markscheme
C
Examiners report
[N/A]
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