Exam-style question
Try this first
Select the statement that would earn credit in an AQA GCSE Physics answer. Context: step-up transformer demonstration efficiency. Learning objective: Explain how a solenoid arrangement can increase the magnetic effect of the current.. Which answer is most accurate for Electromagnetism? Distinct revision anchor: fluxcue353a coilcue353b fieldcue353c polecue353d gridcue353e motorcue353f generatorcue353g transformercue353h compasscue353i currentcue353j voltagecue353k forcecue353l.
- A.Electromagnetism: step-up transformer demonstration efficiency shows Explain how a solenoid arrangement can increase the magnetic effect of the current. because magnetic effects depend on field direction, current or changing magnetic flux.
- B.It treats a permanent magnet as if it only works when current flows. (force-link error).
- C.It confuses the magnetic field with an electric field. (turns-ratio error).
- D.It describes energy transfer but misses the force or field interaction. (AC-output error).
Answer and explanation
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.