| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.HL.TZ1.24 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 24 | Adapted from | N/A |
Question
A permanent bar magnet is moved towards a coil of conducting wire wrapped around a non-conducting cylinder. The ends of the coil, P and Q are joined by a straight piece of wire.
The induced current in the straight piece of wire is
A. alternating.
B. zero.
C. from P to Q.
D. from Q to P.
Markscheme
C
Examiners report
This question was challenging, given that the diagram shown is two dimensional and some candidates struggled to envisage the situation in three dimensions.
Syllabus sections
Additional higher level (AHL) » Topic 11: Electromagnetic induction » 11.1 – Electromagnetic induction
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