Detachable transformers, 500 coils, primary coils, 50 coils, 100 coils, 200 coils, 500 coils, 1000 coils, 2000 coils each.
....The detachable transformer is equipped with 4 sets of induction voltages, 6V, 8V, 9V, 12V, 24V.
....The transformer core, primary & secondary coil of instrument can be disassembled and recombined. The instrument consists of transformer U-shaped core, primary coil, secondary coil and transformer assembly-disassembly solid support. It is a demonstration experimental instrument used in middle school physics electromagnetic and electronic chapter teaching.
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