| Date | May 2016 | Marks available | 1 | Reference code | 16M.1.HL.TZ0.31 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 31 | Adapted from | N/A |
Question
An alternating current (ac) power supply generates an emf with peak amplitude V0 and delivers an average power \(\bar P\). What is the root mean square (rms) current delivered by the supply?
A. \(\frac{{\bar P}}{{2{V_0}}}\)
B. \(\frac{{\bar P}}{{\sqrt 2 {V_0}}}\)
C. \(\frac{{\sqrt 2 \bar P}}{{{V_0}}}\)
D. \(\frac{{2\bar P}}{{{V_0}}}\)
Markscheme
C
Examiners report
[N/A]
Syllabus sections
Additional higher level (AHL) » Topic 11: Electromagnetic induction » 11.2 – Power generation and transmission
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