Electromagnetic Induction
K7-61: TESLA COIL
Category: K7 RLC Circuits
Purpose:
Demonstrate a tesla coil, including how magnetic induction and a resonant RLC circuit is used in the production of high-voltage high-frequency sparks.
K7-05: SERIES MOTOR AND LIGHT BULB CONUNDRUM
Category: K7 RLC Circuits
Purpose:
Generate thought about how a motor works.
K6-42: SINE WAVE AND RECTIFIED SINE WAVE
Category: K6 Electric Circuits and Instruments
Purpose:
Show the AC output from a generator and how it is converted to full-wave rectified AC using a split ring commutator.
K4-51: UNIPOLAR MOTOR
Category: K4 Motors and Generators
Purpose:
Demonstrate a very simple unipolar motor.
K4-41: MOTOR-GENERATOR PAIR
Category: K4 Motors and Generators
Purpose:
Demonstrate that a motor and a generator are the same.
K4-25: DC MOTOR - HOMEMADE
Category: K4 Motors and Generators
Purpose:
Illustrate possibly the world's simplest motor.
K4-24: AC/DC MOTOR
Category: K4 Motors and Generators
Purpose:
Demonstrate the construction and the operation of AC and DC motors.
K4-23: AC MOTOR - SYNCHRONOUS
Category: K4 Motors and Generators
Purpose:
Demonstrate the concept of a synchronous motor.
K4-09: BICYCLE GENERATOR - LIGHT BULBs VS CFLs
Category: K4 Motors and Generators
Purpose:
Compare brightness and power requirements of regular tungsten filament light bulbs and compact fluorescent lamps.
K4-08: MAGNETOELECTRIC GENERATOR WITH INDUCTOR
Category: K4 Motors and Generators
Purpose:
Demonstrate how a magnetoelectric generator stores energy in an inductor and how that energy is returned to the generator.
K4-06: MAGNETOELECTRIC GENERATOR WITH CAPACITOR
Category: K4 Motors and Generators
Purpose:
Demonstrate that the generator is producing electrical energy, and that the capacitor stores electrical energy; also that a generator can run in reverse as a motor.
K4-05: MAGNETOELECTRIC GENERATOR WITH METERS AND LOADS
Category: K4 Motors and Generators
Purpose:
An AC generator with rectifier, meters and several loads.
K4-04: MAGNETOELECTRIC GENERATOR WITH AC INDICATOR BULB
Category: K4 Motors and Generators
Purpose:
Show explicitly a generator producing AC output.
K4-01: AC/DC GENERATOR
Category: K4 Motors and Generators
Purpose:
Demonstrate a simple AC/DC generator.
K3-06: TRANSFORMER - PRIMARY CURRENT VS LOAD
Category: K3 Transformers
Purpose:
Counterintuitive demonstration of how the primary current in a transformer increases when the secondary load increases.
K3-05: DEMOUNTABLE TRANSFORMER - WELDER
Category: K3 Transformers
Purpose:
Show that very large currents can be produced in the secondary of a step-down transformer.
K3-03: DEMOUNTABLE TRANSFORMER - V VS N - PROJECTION METER
Category: K3 Transformers
Purpose:
Demonstrate the effect of changing the number of turns in the secondary of a transformer.
K3-02: DEMOUNTABLE TRANSFORMER - SINGLE SPARKS
Category: K3 Transformers
Purpose:
Demonstrate induction of large voltages by a large secondary-to-primary turn ratio.
K3-01: INDUCTION IN A TRANSFORMER
Category: K3 Transformers
Purpose:
Demonstrate that a change in the primary current induces a secondary voltage.