Quick Answer: Dissectible Transformer is apparatus designed primarily for demonstrating the basic principles of the a.c. transformer, with a laminated U core, interchangeable coils and a clamping base.
Last updated: October 2026
Key Features
Laminated U core, side length 95 mm, base 150 x 40 x 40 mm
Coils of 300 turns (4 A), 600 turns (2 A) and 1200 turns (1 A)
Further coils of 3600 turns (0.3 A, centre tapped) and 12000 turns (0.05 A)
Enamelled copper wire on high impact plastic bobbins 75 mm long with 75 x 60 mm cheeks
Clamp base with tommy-bar screw; two knurled nuts secure the armature for easy coil changeover
Soft iron pieces locate on the U core arms; coils in the basic set have 4 mm socket connections
Technical Specifications
Specification
Value
U core
Laminated, side 95 mm, base 150 x 40 x 40 mm
Bobbins
High impact plastic, 75 mm long, cheeks 75 x 60 mm
Coil wire
Enamelled copper
Coil connections
4 mm socket connections (coils in the basic transformer set)
About This Product
Besides demonstrating the basic principles of the a.c. transformer, the coils and cores serve as the basis of many experiments in electromagnetism using either direct or alternating current. Associated products include a mains coil and an induction accessory set.
Frequently Asked Questions
Q1. Can it be used with direct current? Yes. The coils and cores serve as the basis of many electromagnetism experiments using either direct or alternating current.