School of Physics Lecture Demonstration Manual

Eb-6 Induction Furnace

Published: Tuesday 14 March 2006 - Updated: Tuesday 29 March 2011

Aim

To demonstrate an application of eddy currents (the induction furnace).

Apparatus

Diagrams

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The Induction Furnace

Induction Furnace Diagram

Videos

The Induction Furnace

Description

A small amount of water (5ml) is poured into the copper boiler which is clamped over the core of the Cenco electromagnet. The variac is adjusted to supply 115 Volts. Within a couple of minutes the induced eddy currents provide sufficient heat to boil the water.

Safety notes

Electrical safety 

Maintenance 

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