Physics · a topic
Electromagnetic induction, Taught not just answered.
A real-time, 1:1 lesson on Electromagnetic induction: an AI teacher explains it out loud while it visualizes every step. Interrupt it, ask why, and it checks you got it, in 26 languages.
The idea
What is Electromagnetic induction?
Electromagnetic induction is the production of a voltage in a conductor when the magnetic flux through it changes. Faraday's law states the induced electromotive force equals the rate of change of flux, so a magnet moved quickly through a coil, a coil with more turns, or a stronger field all give a larger voltage. The flux can change by varying the field, the area, or the angle between them. Induction is how generators turn motion into electricity and how transformers change voltages.
Where it appears: Class 10 and 12 CBSE, GCSE and A-level, IB Physics, AP Physics 2 and C, JEE and NEET.
Where learners get stuck
Why Electromagnetic induction is hard
Learners think a strong steady magnetic field should induce a current; it does not, because only a changing flux matters, and they confuse flux with field strength.
The picture a good explanation starts with: A bar magnet moving into a coil connected to a galvanometer, field lines threading the coil, with the meter needle deflecting and an arrow marking the magnet's motion.
A lesson, step by step
How a lesson on Electromagnetic induction goes
01
Ask
Type or say "Why does a stationary magnet in a coil induce nothing?" in your own words, in any of 26 languages.
02
Plan
The tutor plans a storyboard, one picture per idea, starting with a bar magnet moving into a coil connected to a galvanometer, field lines threading the coil, with the meter needle deflecting and an arrow marking the magnet's motion.
03
Explain
It explains Electromagnetic induction out loud while the picture builds step by step, pitched to your level (Class 10 and 12 CBSE and up).
04
Interrupt
Say "wait, why?" or type a doubt: it stops, answers over the picture, and carries on. Ask for a different explanation any time.
05
Check
A checkpoint question makes sure the idea landed, and Tests keep the practice going.
06
Your notes
Upload a PDF or a photo of your class notes or a past paper and the lesson follows your textbook's terms.
Ask it anything
Questions learners ask about Electromagnetic induction
- Why does a stationary magnet in a coil induce nothing?
- What is magnetic flux and how is it different from field?
- How does a generator use electromagnetic induction?
Any of these, or your own, typed or spoken. The tutor answers on the picture and adapts to how well you are following.
Questions
Asked, Answered
Can LetMeTeach explain Electromagnetic induction?
Yes. Ask in your own words and the tutor plans a lesson on Electromagnetic induction: it starts with a bar magnet moving into a coil connected to a galvanometer, field lines threading the coil, with the meter needle deflecting and an arrow marking the magnet's motion. Then it explains each step out loud as the picture builds, stops when you say "wait, why?", and ends with a checkpoint question.
Where does Electromagnetic induction come up?
Class 10 and 12 CBSE, GCSE and A-level, IB Physics, AP Physics 2 and C, JEE and NEET. The lesson is pitched to your level and the exam or curriculum you follow, and you can upload your own notes or past papers so it uses your textbook's terms.
Can I learn Electromagnetic induction in my own language?
Yes. LetMeTeach teaches in 26 languages and plans the lesson in the language you choose rather than translating an English one, so the terms match what your textbook says. The Free plan includes 7 hours a month with no card.
Last updated
Learn Electromagnetic induction, Starting now.
Ask "Why does a stationary magnet in a coil induce nothing?" and watch the answer drawn. The Free plan needs no card.
