Electromagnetic Induction
K2-65: INDUCTION AND CAPACITOR FLASHLIGHT
Category: K2 Electromagnetic Induction
Purpose:
Demonstrate a weird but high-tech method for constructing a flashlight.
K2-64: UNIPOLAR GENERATOR
Category: K2 Electromagnetic Induction
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
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.
E2-11: SOLAR PLASMA MODEL
Category: E2 Astronomy
Purpose:
Mass driver and ring heater show coronal holes and coronal heating.
K2-63: DISPLACEMENT CURRENT MODEL
Category: K2 Electromagnetic Induction
Purpose:
Illustrate the geometry for displacement current
K2-41: LENZ'S LAW - ROLLING RODS
Category: K2 Electromagnetic Induction
Purpose:
Demonstrate eddy currents and Lenz's law
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K2-01 EARTH INDUCTOR
Induces an emf by moving a coil through Earth's magnetic field
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K2-02 INDUCTION IN A SINGLE WIRE
Demonstrates magnetic induction
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K2-03 FARADAY'S EXPERIMENT ON INDUCTION
Demonstrates the induction between two coils
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K2-04 FARADAY'S EXPERIMENT - EME SET - 20, 40, 80 TURN COILS
Shows that the induced current is proportional to the number of turns in the secondary coil
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K2-05: FARADAY'S EXPERIMENT - CONCENTRIC COILS
Demonstrate mutual induction Read More
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K2-11: SELF-INDUCTION
Demonstrate self-induction Read More
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K2-12: SELF-INDUCTION - DEMOUNTABLE TRANSFORMER
Demonstrate back-EMF in an inductor Read More
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K2-21: RUHMKORFF INDUCTION COIL
Demonstrate induction of a very high voltage using a small voltage source Read More
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K2-22 INDUCTION COIL WITH LIGHT BULB
Demonstrates magnetic induction with 110 VAC Read More
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K2-24: MUTUAL INDUCTION
Demonstrate mutual induction Read More
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K2-25: MUTUAL INDUCTION - DEMOUNTABLE TRANSFORMER
Demonstrate mutual induction and to show the effect of various core materials Read More
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K2-26: MUTUAL INDUCTANCE STANDARD
Demonstrate the standard for mutual inductance Read More
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K2-27: MUTUAL INDUCTION - M12 eq M21 MEASUREMENT
Demonstrate that the mutual inductance between two coils is independent of which one is the primary Read More
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K2-28: DEMOUNTABLE TRANSFORMER - 10 KV ARC
Demonstrate that a large voltage increase is attainable using a transformer Read More
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K2-29: COIL AND MAGNET WITH LED SENSOR
Demonstrate that the sign of the induced voltage depends on the direction of the field as well as whether the… Read More
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K2-40: MAGNETIC ACCELERATOR
Demonstrate magnetic potential energy Read More
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K2-41: LENZ'S LAW - ROLLING RODS
Demonstrate eddy currents and Lenz's law
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K2-42 LENZ'S LAW - MAGNET IN ALUMINUM TUBE
Demonstrates Lenz's law
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K2-43: LENZ'S LAW - PERMANENT MAGNET AND COILS
Demonstrates Lenz's law
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K2-44 EDDY CURRENT PENDULUM
Shows the damping of pendula due to eddy currents
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K2-45: EDDY CURRENTS - MAGNET AND SOFT DRINK CAN
Demonstrate eddy currents and Lenz's law Read More
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K2-46: MAGNET LEVITATION ABOVE SPINNING DISC
Demonstrate Lenz's law in a dramatic way Read More
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K2-47: SPEEDOMETER MODEL
Demonstrate operating principle of some speedometers Read More
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K2-48: EDDY CURRENT MOTOR`
Show the use of eddy currents in producing a motor with few moving parts and no electrical brushes Read More
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K2-49: MAGNETIC STIRRER
Illustrate how a magnetic stirrer works Read More
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K2-61 THOMSON'S COIL
Demonstrates a number of concepts in magnetic induction
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K2-62 CAN SMASHER - ELECTROMAGNETIC
Blasts a cola can into two pieces using electromagnetism
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K2-63: DISPLACEMENT CURRENT MODEL
Illustrate the geometry for displacement current Read More
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K2-64: UNIPOLAR GENERATOR
Demonstrate unipolar generation of DC voltage, which may involve an explanation other than electromagnetic induction Read More
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K2-65: INDUCTION AND CAPACITOR FLASHLIGHT
Demonstrate a weird but high-tech method for constructing a flashlight Read More
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