Case study·Hard exam skill (4/5)·Calculator allowed
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 small Gaussian pillbox of flat face area is chosen across a uniformly charged large plane sheet with .
Total: 5 marks
(a) Find the charge enclosed by the pillbox. (1 mark)
(b) Write the net flux through the pillbox. (2 marks)
(c) Find the electric field magnitude on either side of the sheet. (2 marks)
Something wrong with this item?