| Date | November 2017 | Marks available | 1 | Reference code | 17N.1.HL.TZ0.34 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 34 | Adapted from | N/A |
Question
The plane of a coil is positioned at right angles to a magnetic field of flux density B. The coil has N turns, each of area A. The coil is rotated through 180˚ in time t.
What is the magnitude of the induced emf?
A. \(\frac{{BA}}{t}\)
B. \(\frac{{2BA}}{t}\)
C. \(\frac{{BAN}}{t}\)
D. \(\frac{{2BAN}}{t}\)
Markscheme
D
Examiners report
[N/A]
Syllabus sections
Additional higher level (AHL) » Topic 11: Electromagnetic induction » 11.1 – Electromagnetic induction
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