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Electromagnetic Radiation


K8-46: Radio Waves & Faraday Cage

Purpose: Demonstrates that radio waves do not penetrate a Faraday cage

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.

K7-45: LOW AND HIGH PASS FILTERS

Category: K7 RLC Circuits

Purpose: Demonstrate use of a series RL circuit as a low-pass filter and a series RC circuit as a high-pass filter.

K8-52: MICROWAVE MAGNETRON

Purpose: Show students what the magnetron tube from a typical microwave oven looks like.

K8-51: MICROWAVE OVEN

Purpose: Demonstrate operation and experimentation with a microwave oven.

K8-44: RADIOWAVES - COUPLING OF WAVES

Purpose: Illustrate inductive coupling using radio waves.

K8-43: RADIOWAVES - FREQ MEASUREMENT WITH OSCILLOSCOPE

Purpose: Experimentally determine the frequency of the radiowave transmitter.

K8-41: HERTZIAN DIPOLES

Purpose: Show the shape and polarization of the radiation field around a dipole antenna.

K8-33: NANOSECOND CABLES

Purpose: Cables which delay a signal by a fixed time interval.

K8-32: PULSES IN TRANSMISSION LINES

Purpose: Demonstrate the reflection of pulses in terminated and unterminated transmission lines and to determine the speed of an electromagnetic wave in the transmission line.

K8-31: TRANSMISSION LINE SAMPLE

Purpose: Show a large coaxial cable transmission line.

K8-22: MICROWAVES - TUBULAR WAVEGUIDE

Purpose: Demonstrate transmission of microwaves in a tubular "waveguide."

K8-21: MICROWAVES - WAVEGUIDES

Purpose: See what microwave waveguide components look like and to discuss their functions.

K8-14: RADIOWAVES - STANDING WAVES IN AN ANTENNA

Purpose: Show standing waves in a dipole antenna.

K8-13: RADIOWAVES - LECHER WIRE STANDING WAVES

Purpose: Illustrate standing electromagnetic waves in a high-impedance transmission line.

K8-12: RADIOWAVES - STANDING WAVES

Purpose: Demonstrate standing waves using radio waves.

K8-11: MICROWAVES - STANDING WAVES

Purpose: Demonstrate microwave standing waves.

K8-05: ELECTROMAGNETIC PLANE WAVE MODEL

Purpose: Illustrate the geometry of a polarized electromagnetic plane wave.

I2-07: THERMOPILE WITH DVM

Purpose: Observe infrared radiation.

H4-58: MODULATION - AM RADIO

Category: H4 Music

Purpose: Show amplitude modulation in in AM radio signals.
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