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
A student says, 'Parallel connection is always used in household wiring only because it reduces the total resistance.' Evaluate the statement.
Total: 5 marks
(a) State whether the statement is complete. (1 mark)
(b) Give two important reasons for parallel household wiring. (3 marks)
(c) Mention one possible disadvantage of adding too many appliances. (1 mark)
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