| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.HL.TZ2.24 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 24 | Adapted from | N/A |
Question
The magnetic flux Φ through a coil with 1000 turns varies with time t as shown in the graph.
What is the magnitude of the emf produced in the coil?
A. 0.04 V
B. 0.06 V
C. 40 V
D. 60 V
Markscheme
C
Examiners report
Too many candidates, here and elsewhere, are omitting to read the axes when interpreting a graph. In this case they missed the power of ten.
Syllabus sections
Additional higher level (AHL) » Topic 11: Electromagnetic induction » 11.1 – Electromagnetic induction
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