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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

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

Purpose: Demonstrate a very simple unipolar motor.

K4-41: MOTOR-GENERATOR PAIR

Purpose: Demonstrate that a motor and a generator are the same.

K4-25: DC MOTOR - HOMEMADE

Purpose: Illustrate possibly the world's simplest motor.

K4-24: AC/DC MOTOR

Purpose: Demonstrate the construction and the operation of AC and DC motors.

K4-23: AC MOTOR - SYNCHRONOUS

Purpose: Demonstrate the concept of a synchronous motor.

K4-22: DC MOTOR

Purpose: Show how a DC motor works.

K4-09: BICYCLE GENERATOR - LIGHT BULBs VS CFLs

Purpose: Compare brightness and power requirements of regular tungsten filament light bulbs and compact fluorescent lamps.

K4-08: MAGNETOELECTRIC GENERATOR WITH INDUCTOR

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

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

Purpose: An AC generator with rectifier, meters and several loads.

K4-04: MAGNETOELECTRIC GENERATOR WITH AC INDICATOR BULB

Purpose: Show explicitly a generator producing AC output.

K4-01: AC/DC GENERATOR

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.
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