Concept Map ā€” Chapter 4

Last updated at July 13, 2026 by

šŸ’” Hover over the boxes to highlight each idea. Tap to focus on mobile.
Electricity Magnetic and Heating Effects 4.1 Magnetic Effect Current makes a magnet 4.2 Heating Effect Current makes heat 4.3 Batteries Cells make electricity Electromagnets Coil + iron core Lifting Magnets Cranes, scrap yards Resistance & Heat Nichrome, appliances Voltaic Cell Metals + electrolyte Dry Cell Single use, paste Rechargeable Batteries Used many times, Li-ion
Remove Ads
Maninder Singh's photo - Co-founder, Teachoo

Made by

Maninder Singh

CA Maninder Singh is a Chartered Accountant with 16+ years of practical experience and 20+ years of teaching experience. He teaches Science, Economics, Accounting and English at Teachoo using clear explanations and exam-focused methods students can trust.

For faster and distraction-free study, students can choose Teachoo Black.