Syllabus Aims…
6.15 know that a voltage is induced in a conductor or a coil when it moves through a magnetic field or when a magnetic field changes through it and describe the factors which affect the size of the induced voltage.
6.16 describe the generation of electricity by the rotation of a magnet within a coil of wire and of a coil of wire within a magnetic field and describe the factors which affect the size of the induced voltage.
6.17P describe the structure of a transformer, and understand that a transformer changes the size of an alternating voltage by having different numbers of turns on the input and output sides (Triple)
6.18P explain the use of step-up and step-down transformers in the large scale generation and transmission of electrical energy (Triple)
6.19P know and use the relationship between input (primary) and output (secondary) voltages and the turns ratio for a transformer: (Triple)
input (primary) voltage / output (secondary) voltage = primary turns / secondary turns
6.20P know and use the relationship: (Triple)
input power = output power (for 100% efficiency).
Resources…
Use this PowerPoint for all lesson ideas…
6D Electromagnetic Induction 8 to 11
Useful Videos…
Ken Campbell – Six Experiments That Changed the World – Faraday and the Doughnut
Part 1 – https://www.youtube.com/watch?v=vUuTMF811qw
Part 2 – https://www.youtube.com/watch?v=QT6EtgPpSTs
Part 3 – https://www.youtube.com/watch?v=mZrvnvAoB7E
Extension Ideas…
https://www.en.wikipedia.org/wiki/Transformer
GCSE Physics - Generator Effect / Electromagnetic Induction (2026/27 exams)
*** WHAT'S COVERED ***
1. The Generator Effect (Electromagnetic Induction).
2. Generating Current.
* Inducing potential difference/current by moving the magnet instead of ...the conductor.
* Conditions where no potential difference is induced.
3. Factors Affecting Induced Potential Difference/Current.
4. Induction in a Coil.
* Moving a magnet into or out of a coil induces potential difference and current.
*** EXAM BOARD INFO ***
AQA - Separate/triple science and higher tier only
IGCSE Edexcel - Everything is relevant to your course
Edexcel - Separate/triple science and higher tier only
OCR 21st Century - Separate/triple science only
OCR Gateway - Separate/triple science and higher tier only
*** CHAPTERS ***
0:00 Intro to the Generator Effect (Electromagnetic Induction)
0:21 Inducing Potential Difference in a Wire
0:40 Requirement for Motion (Change in Magnetic Field)
1:08 Effect of Changing Direction of Motion
1:21 Inducing Current in a Circuit
1:48 Moving the Magnet Instead of the Wire
2:08 When No Potential Difference is Induced
2:26 Factors Affecting the Size of Induced Potential Difference
2:39 Factor 1: Magnetic Field Strength
2:50 Factor 2: Speed of Movement
3:03 Factor 3: Number of Turns in a Coil
3:18 Summary of Induction Principles
3:40 Summary of Factors Increasing Induced Current
3:59 Induction with a Coil and Bar Magnet
4:22 Reversing Current Direction with Coil/Magnet
*** PLAYLISTS ***
https://youtube.com/playlist?list=PLidqqIGKox7XPh1QacLRiKto_UlnRIEVh&si=orIUwL3o2jOoiYjT
https://youtube.com/playlist?list=PLidqqIGKox7X5UFT-expKIuR-i-BN3Q1g&si=DcihOwUkd9oWbbdp
https://youtube.com/playlist?list=PLidqqIGKox7WeOKVGHxcd69kKqtwrKl8W&si=Y8MsO-FK948jnxpS
https://youtube.com/playlist?list=PLidqqIGKox7UVC-8WC9djoeBzwxPeXph7&si=-7i5Iq7yOeJrhtu6
https://youtube.com/playlist?list=PLidqqIGKox7VKJD2WxRhoKaI6JGLVean8&si=NH_Q1ujhVgACM2FU
#GCSE #Physics #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE #IB #APShow More
