Needs New Photo
K8-43: RADIOWAVES - FREQ MEASUREMENT WITH OSCILLOSCOPE
Category: K8 Electromagnetic Waves and Sources
Purpose:
Experimentally determine the frequency of the radiowave transmitter.
K8-32: PULSES IN TRANSMISSION LINES
Category: K8 Electromagnetic Waves and Sources
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.
K8-22: MICROWAVES - TUBULAR WAVEGUIDE
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate transmission of microwaves in a tubular "waveguide."
K8-12: RADIOWAVES - STANDING WAVES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate standing waves using radio waves.
K5-34: THERMAL COEFFICIENT OF RESISTANCE IN COPPER
Category: K5 Electrical Properties of Matter
Purpose:
Show that the resistance of copper changes linearly with temperature.
K5-32: RESISTANCE VS DIAMETER AND LENGTH
Category: K5 Electrical Properties of Matter
Purpose:
Determine how resistance varies as a function of diameter and length for the same material.
I3-19: LIFTING USING ATMOSPHERIC PRESSURE
Category: I3 Gases
Purpose:
Dramatically demonstrate an effect of air pressure.
I3-18: VACUUM BAZOOKA
Category: I3 Gases
Purpose:
Illustrate one effect of atmospheric pressure and force.
K5-22: AC PLUG CIRCUIT CHECKER CHECKER
Category: K5 Electrical Properties of Matter
Purpose:
Demonstrate several different kinds of AC outlet wiring error.
K5-21: AC PLUG CIRCUIT CHECKER
Category: K5 Electrical Properties of Matter
Purpose:
Check the wiring of 110VAC power sockets.
K5-14: ELECTRIC CELL
Category: K5 Electrical Properties of Matter
Purpose:
Demonstrate how an electric cell is formed.
K5-02: PIEZOELECTRIC CRYSTAL - AUDIBLE
Category: K5 Electrical Properties of Matter
Purpose:
Demonstrate that a piezoelectric crystal converts electrical impulses into physical vibrations.
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.
M9-03: CIRCULAR POLARIZATION - STICK MODEL
Category: M9 Elliptical Polarization
Purpose:
Model of circularly polarized electromagnetic wave.
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.
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.