United Scientific Primary Secondary Coils

United Scientific Supply Superior version of the classic device for investigating electromagnetic induction Primary and secondary coils are wound on robust molded formers fitted with shielded banana jacks The plated iron core has a molded handle for accurate positioning in the coils The primary coil has 175 turns of 18 AWG insulated copper wire (diameter 34mm, length 100mm, resistance 043 , self-inductance 31mH) Secondary coil has three available windings with 500, 1000, and 1500 turns of 26 AWG insulated copper wire (diameter 52mm, length 102mm, resistances 115 , 233 , 357 , self-inductances 490mH, 197H, 443H) Plated iron core is 19mm in diameter and 165mm long (including handle) Includes activity guide - USS