Dual coil for students SI-S 134-440 1 unit

We are picking out the parts necessary for students' experiments. You can experiment with the relationship between electric current and magnetic field, the difference between AC and DC, etc. Primary coil: 200 turns x 1, wire diameter 1.2 mm Secondary coil: 2 pieces of 500 turns, wire diameter 0.5 mm (one with center tap) Core: 15mm square (silicon steel plate) with a groove for inserting a shading ring at one end Accessories: 2 white plates for observing magnetic fields, iron plate, 4 lead wires Other: Comes in a container case Product code: 134-440