| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.SL.TZ2.7 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 7 | Adapted from | N/A |
Question
The efficiency of an electric motor is 20 %. When lifting a body 500 J of energy are wasted. What is the useful work done by the motor?
A. 100 J
B. 125 J
C. 250 J
D. 400 J
Markscheme
B
Examiners report
[N/A]
Syllabus sections
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