Electromagnetic Induction

K2-65: INDUCTION AND CAPACITOR FLASHLIGHT

Purpose: Demonstrate a weird but high-tech method for constructing a flashlight.

K2-64: UNIPOLAR GENERATOR

Purpose: Demonstrate unipolar generation of DC voltage, which may involve an explanation other than electromagnetic induction.

K2-49: MAGNETIC STIRRER

Category: K2 Electromagnetic Induction

Purpose: Illustrate how a magnetic stirrer works.

K2-48: EDDY CURRENT MOTOR`

Category: K2 Electromagnetic Induction

Purpose: Show the use of eddy currents in producing a motor with few moving parts and no electrical brushes.

K2-47: SPEEDOMETER MODEL

Category: K2 Electromagnetic Induction

Purpose: Demonstrate operating principle of some speedometers.

K2-46: MAGNET LEVITATION ABOVE SPINNING DISC

Category: K2 Electromagnetic Induction

Purpose: Demonstrate Lenz's law in a dramatic way.

K2-45: EDDY CURRENTS - MAGNET AND SOFT DRINK CAN

Category: K2 Electromagnetic Induction

Purpose: Demonstrate eddy currents and Lenz's law.

K2-29: COIL AND MAGNET WITH LED SENSOR

Category: K2 Electromagnetic Induction

Purpose: Demonstrate that the sign of the induced voltage depends on the direction of the field as well as whether the field is increasing or decreasing in magnitude.

K2-28: DEMOUNTABLE TRANSFORMER - 10 KV ARC

Category: K2 Electromagnetic Induction

Purpose: Demonstrate that a large voltage increase is attainable using a transformer.

K2-21: RUHMKORFF INDUCTION COIL

Category: K2 Electromagnetic Induction

Purpose: Demonstrate induction of a very high voltage using a small voltage source.

K2-05: FARADAY'S EXPERIMENT - CONCENTRIC COILS

Category: K2 Electromagnetic Induction

Purpose: Demonstrate mutual induction.

J7-24: BARKHAUSEN EFFECT

Category: J7 Magnetic Materials

Purpose: Demonstrate flipping of magnetic domains in iron.

J6-33: ELECTROMAGNETIC GUN

Category: J6 Electromagnets

Purpose: Demonstrate the force on a solenoid core, and to contrast forces on magnetic and non-magnetic cores.

J6-32: FORCE ON SOLENOID CORE - SMALL

Category: J6 Electromagnets

Purpose: Demonstrate the force exerted on the core of an electromagnet.

J6-31: FORCE ON SOLENOID CORE

Category: J6 Electromagnets

Purpose: Demonstrate the force exerted on the core of an electromagnet.

J2-33: TESLA COIL - PORTABLE

Category: J2 Electrostatic Devices and Applications

Purpose: Easy-to-use high-voltage device for use in various demonstrations or just to draw a nice spark.

K1-41: BARLOW'S DISC

Category: K1 Forces on Moving Particles

Purpose: Demonstrate how an electric potential difference and current can be generated when free (conduction) electrons move through a magnetic field.