Quick Answer:The Step Up Transformer Model raises a low AC input, typically 2V to 6V from a battery eliminator, to a higher voltage set by its turns ratio, using a few-turn primary and a many-turn secondary on a laminated iron core.
Last updated: 18 October 2026
Key Features
Low-voltage AC input, typically 2V to 6V.
Primary coil with fewer turns than the secondary.
Copper windings on a laminated iron core.
Standard 4mm safety sockets for input and output.
Technical Specifications
Specification
Value
Input
Low-voltage AC, typically 2V–6V from a battery eliminator
Output
Higher AC voltage, in proportion to the turns ratio
Coils
Primary (low turns), secondary (high turns)
Winding
Copper on laminated iron core
Connections
4mm safety sockets
How It Is Used
A battery eliminator feeds a few volts AC to the primary and an AC meter on the secondary shows the larger output. Comparing the readings with the turns on each coil gives Vs/Vp = Ns/Np, the principle used to raise voltages for power transmission, while keeping the input at a safe low level.
Frequently Asked Questions
What should be connected to the input of the Step Up Transformer Model?
A low-voltage AC source, typically 2V to 6V from a battery eliminator, connected through the 4mm safety sockets.
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