Short answer·Standard multi-step (3/5)·No calculator
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Question
Give two ways to increase the induced current in a coil-magnet experiment, and justify each briefly.
Total: 4 marks
(a) Give one method related to motion or field strength. (1 mark)
(b) Give one method related to the coil. (1 mark)
(c) Justify both using rate of change of linked magnetic field. (2 marks)
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