Cambridge IGCSE Physics
Cambridge IGCSE Physics Electromagnetic Effects Exam Questions
Free Cambridge IGCSE Physics exam questions on Electromagnetic Effects, with mark schemes. Covers induction, ac generators, magnetic effect of current, motors and transformers.
Electromagnetic Effects exam questions
Every Cambridge IGCSE Physics past paper question on Topic 4, collected into one pack with the mark schemes. Answer them without notes, mark them line by line, then move on to full past papers.
StemUp mark scheme flashcards
Cambridge IGCSE Physics 0625 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About Cambridge IGCSE Physics Electromagnetic Effects
This sub-topic covers electromagnetic effects.
What you need to know
- Induction Changing fields induce emf.
- Motor effect Force on a current-carrying wire.
- Transformers Turns ratio and high voltage transmission.
Common mistakes in Electromagnetic Effects
- Using the right-hand rule for motors.
- Saying transformers work with dc.
Try two Electromagnetic Effects exam-style questions
1. A transformer steps 240 V down to 12 V with 2000 primary turns. Find secondary turns. (1 mark)
Show the mark scheme answer
100.
2. State one way to increase motor speed. (1 mark)
Show the mark scheme answer
Increase current.
Electromagnetic Effects FAQs
What does this cover?
Induction, motors and transformers.
Why is high voltage used for transmission?
It reduces current and energy losses.
Revise this topic with flashcards: Cambridge IGCSE Physics 0625 Flashcards, with mark scheme answers for Anki and Quizlet.
