Magnetism, motor effect and electromagnetic induction (topics 12–13)
From Paper 2, Higher
33 marks
Describe how to increase the strength of an electromagnet.
From Paper 2, Higher
82 marks
Explain how a moving-coil microphone converts sound into an electrical signal.
From Paper 2, Higher
133 marks
Explain why a current-carrying wire in a magnetic field experiences a force, and use Fleming's left-hand rule.
From Paper 2, Higher
183 marks
Explain why transformers only work with alternating current.
From Paper 2, Higher
232 marks
A transformer is 100% efficient. The primary current is 0.5 A at 230 V and the secondary voltage is 11.5 V. Calculate the secondary current.
From Paper 2, Higher
273 marks
Explain how a loudspeaker produces sound.
From Paper 2, Higher
303 marks
Explain why the Earth's magnetic field suggests its core is magnetic and how a compass works.
Score 0 / 19 · 0 of 7 marked
This paper is written by Plasmo in the style of the Edexcel GCSE Physics exam. It is not a past paper and is not produced or endorsed by the exam board.
Magnetism, motor effect and electromagnetic induction (topics 12–13) Exam Questions: Edexcel GCSE Physics | Plasmo