Long answer·Hard exam skill (4/5)·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
Use Magnetic Effects of Electric Current to answer this situatio. What rule should be used to find the direction of field lines?
Total: 4 marks
(a) Identify the scientific idea. (1 mark)
(b) Explain using the observation or data. (2 marks)
(c) Write one common wrong inference and correct it. (1 mark)
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