Electromagnetic Radiation
H4-52: SPECTRUM ANALYSIS OF MODULATION
Category: H4 Music
Purpose:
Compare and analyze the frequency spectra of various modulated sounds such as tremolo, vibrato, and beats.
H4-51: MODULATION - AM AND FM
Category: H4 Music
Purpose:
Demonstrate AM and FM signal modulation as an introduction to vibrato and tremolo.
L3-18: FOCUSING OF HEAT WAVES - OVERHEAD PROJECTOR
Category: L3 Curved Mirrors
Purpose:
Illustrate focusing of heat in a very dramatic way.
E2-49: PULSAR MODEL - RADIOWAVES
Category: E2 Astronomy
Purpose:
Show the changing field pattern from a rotating dipole.
K8-04: SPEED OF LIGHT
Category: K8 Electromagnetic Waves and Sources
Purpose:
Measure the speed of light
K2-63: DISPLACEMENT CURRENT MODEL
Category: K2 Electromagnetic Induction
Purpose:
Illustrate the geometry for displacement current
I2-12: RADIATION FROM COLD OBJECT
Category: I2 Transfer of Heat
Purpose:
Show radiation from a cold object
K8-42: RADIOWAVES - ENERGY AND DIPOLE PATTERN
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrates transmission of energy in electromagnetic waves. Shows the radiation pattern of the dipole antenna
K8-45 RADIO WAVES FROM SPARK
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrates that a spark contains radio waves
K8-03 LIGHT NANOSECOND
Category: K8 Electromagnetic Waves and Sources
Purpose:
Shows the distance light travels in one nanosecond
K8-01 ELECTROMAGNETIC WAVE - MODEL
Category: K8 Electromagnetic Waves and Sources
Purpose:
Shows the relationship between the electric and magnetic field vectors in a plane-polarized traveling electromagnetic wave
J3-23 FARADAY CAGE - RADIOWAVES
Category: J3 Electric Fields and Potential
Purpose:
Demonstrates that radio waves cannot penetrate a Faraday cage
I2-08 RADIATIVE HEAT TRANSFER
Category: I2 Transfer of Heat
Purpose:
Shows radiation from a hot object
I2-06 THERMOPILE WITH AUDIO OSCILLATOR
Category: I2 Transfer of Heat
Purpose:
Observe infrared radiation
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K7-01: RL CIRCUIT - 50 MICROSECOND TIME CONSTANT
Illustrate RL time constant Read More
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K7-02 RL CIRCUIT - L/R TIME CONSTANT
Shows L/R time constant for a slow circuit
Read More
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K7-03 INDUCTOR DELAYING A LAMP
Demonstrates the timing of current in a switched inductor circuit
Read More
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K7-04: RL CIRCUIT - FIELD COLLAPSE WITH FLUORESCENT BULB
Demonstrate the magnitude of induced voltage Read More
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K7-05: SERIES MOTOR AND LIGHT BULB CONUNDRUM
Generate thought about how a motor works Read More
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K7-11 RC CIRCUIT - RC TIME CONSTANT - OSCILLOSCOPE
Observe the shape of the charging and discharging curves. Measures an RC time constant. Read More
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K7-12: RC CIRCUIT - RC TIME CONSTANT - PROJECTION METERS
Measure an RC time constant and to observe the shape of the charging and discharging curves Read More
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K7-14: RC CIRCUIT - 100 MICROSECOND TIME CONSTANT
Demonstrate a reasonably fast RC circuit Read More
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K7-15: CURRENT IN RC CIRCUIT?
Demonstrate charging of a capacitor in a possibly counterintuitive way Read More
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K7-21: RLC CIRCUIT - 10 KHZ - RESONANCE
Demonstrate resonance in an RLC circuit Read More
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K7-22: RLC CIRCUIT - 10 KHZ - DAMPED OSCILLATIONS
Demonstrate damped oscillations in an RLC circuit Read More
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K7-23: RLC CIRCUIT - 60 HZ
Show phase relationship between components of a 60 Hertz RLC circuit Read More
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K7-24: RLC CIRCUIT - 60 HZ WITH LIGHT BULB LOAD
Demonstrate a series RLC circuit in a graphic way Read More
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K7-26: RLC CIRCUIT - 0.3 HZ RESONANCE
Plot a graph of resonance behavior in a very low frequency resonant circuit Read More
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K7-27: RLC CIRCUIT - COMPLETE
Show the phase shift between components in a series RLC circuit Read More
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K7-29: RLC CIRCUIT - 0.6 HZ TRANSIENTS
Demonstrate transients using a circuit with a very long time constant Read More
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K7-30: RLC CIRCUIT - RINGING
Demonstrate ringing in a simple RLC circuit Read More
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K7-31: RLC CIRCUIT - OVER/UNDER/CRITICAL DAMPING
Demonstrate over/under/critical damping in a series RLC circuit Read More
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K7-41: RC CIRCUIT - DIFFERENTIATION AND INTEGRATION
Demonstrate differentiation and integration using RC circuits Read More
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K7-42: BARRICADE FLASHER
Demonstrate a barricade flasher circuit Read More
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K7-43: RELAXATION OSCILLATOR - NEON LAMP
Demonstrate a pulse circuit with different pulse rates Read More
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K7-44: RLC CIRCUIT - 10KHZ - DIFFERENTIATION AND INTEGRATION
Demonstrate differentiation and integration using an RC circuit Read More
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K7-45: LOW AND HIGH PASS FILTERS
Demonstrate use of a series RL circuit as a low-pass filter and a series RC circuit as a high-pass filter Read More
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K7-61: TESLA COIL
Demonstrate a tesla coil, including how magnetic induction and a resonant RLC circuit is used in the production of high-voltage… Read More
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