Primary-Secondary-Coil-Rapid-PH50250-p-This-primary-&-secondary-coil-apparatus-demonstrates-the-principle-of-Electromagnetic-Induction-&-helps-to-explain-the-concept-of-a-transformer-The-Primary-&-Secondary-coils-are-mounted-on-plastic-spools-with-binding-posts-for-easy-connection-The-primary-coil-slides-inside-the-secondary-coil-The-set-also-
Includes::-a-soft-iron-core-for-induction-experiments-p-Rapid-Primary-Secondary-Coil-Demonstrating-Kit-Electromagnetic-Induction