Primary And Secondary Coils

For Exploring The Concept Of Electromagnetic Induction. Comprises Two Coils – Primary Coil Wound From Thicker Gauge Copper Wire With Lesser Number Of Turns; And Secondary Coil Wound From Thinner Gauge, Fine Copper Wire With More Number Of Turns. Both Coils Wound On A Insulated Plastic Former And Fitted With 4Mm Safety Sockets. Primary Slides Into Secondary For Electromagnetic Coupling. Includes Soft Iron Cylindrical Core That Slides Into Primary. (Primary And Secondary Coils)