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Lenz's law, Taught not just answered. 

A real-time, 1:1 lesson on Lenz's law: 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.

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The idea

What is Lenz's law?

Lenz's law says that an induced current always flows in the direction that opposes the change in magnetic flux that produced it. Push a magnet's north pole towards a coil and the coil's induced current makes its near face a north pole too, repelling the magnet; pull it away and the face becomes a south pole, attracting it. This is energy conservation in action: the work you do against that opposition is what becomes electrical energy.

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 Lenz's law is hard

Learners try to apply the law by opposing the magnet's field instead of opposing the change in flux, and get the direction backwards when the magnet is withdrawn rather than approaching.

The picture a good explanation starts with: A magnet's north pole moving towards a coil, the induced current direction marked around the coil, and the coil's resulting north pole facing the magnet with repelling arrows.

A lesson, step by step

How a lesson on Lenz's law goes

  1. 01

    Ask

    Type or say "Why does the induced current oppose the change?" in your own words, in any of 26 languages.

  2. 02

    Plan

    The tutor plans a storyboard, one picture per idea, starting with a magnet's north pole moving towards a coil, the induced current direction marked around the coil, and the coil's resulting north pole facing the magnet with repelling arrows.

  3. 03

    Explain

    It explains Lenz's law out loud while the picture builds step by step, pitched to your level (Class 10 and 12 CBSE and up).

  4. 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.

  5. 05

    Check

    A checkpoint question makes sure the idea landed, and Tests keep the practice going.

  6. 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 Lenz's law

  • Why does the induced current oppose the change?
  • How do I find the direction of an induced current?
  • What would happen if Lenz's law were reversed?

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 Lenz's law?

Yes. Ask in your own words and the tutor plans a lesson on Lenz's law: it starts with a magnet's north pole moving towards a coil, the induced current direction marked around the coil, and the coil's resulting north pole facing the magnet with repelling arrows. 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 Lenz's law 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 Lenz's law 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.

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Learn Lenz's law, Starting now.

Ask "Why does the induced current oppose the change?" and watch the answer drawn. The Free plan needs no card.

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How it works