DC Circuits
K7-43: RELAXATION OSCILLATOR - NEON LAMP
Category: K7 RLC Circuits
Purpose:
Demonstrate a pulse circuit with different pulse rates.
K7-42: BARRICADE FLASHER
Category: K7 RLC Circuits
Purpose:
Demonstrate a barricade flasher circuit.
K7-31: RLC CIRCUIT - OVER/UNDER/CRITICAL DAMPING
Category: K7 RLC Circuits
Purpose:
Demonstrate over/under/critical damping in a series RLC circuit.
K7-30: RLC CIRCUIT - RINGING
Category: K7 RLC Circuits
Purpose:
Demonstrate ringing in a simple RLC circuit.
K7-15: CURRENT IN RC CIRCUIT?
Category: K7 RLC Circuits
Purpose:
Demonstrate charging of a capacitor in a possibly counterintuitive way.
K7-12: RC CIRCUIT - RC TIME CONSTANT - PROJECTION METERS
Category: K7 RLC Circuits
Purpose:
Measure an RC time constant and to observe the shape of the charging and discharging curves.
K7-05: SERIES MOTOR AND LIGHT BULB CONUNDRUM
Category: K7 RLC Circuits
Purpose:
Generate thought about how a motor works.
K6-52: IMPEDANCE MATCHING - BATTERY AND JOULEMETER
Category: K6 Electric Circuits and Instruments
Purpose:
Demonstrate that the power transmission is maximized when the source impedance and the load impedance are equal.
K6-51: KIRCHHOFF'S LAWS
Category: K6 Electric Circuits and Instruments
Purpose:
Apply Kirchhoff's laws to a simple two-loop problem.
K6-36: VISIBLE AMMETER
Category: K6 Electric Circuits and Instruments
Purpose:
See some of the important parts inside an ammeter.
K6-35: VOLTAGE DIVIDER
Category: K6 Electric Circuits and Instruments
Purpose:
Show how a voltage divider can be used to produce any voltage up to the maximum of the source.
K6-33: WHEATSTONE BRIDGE
Category: K6 Electric Circuits and Instruments
Purpose:
Demonstrate operation of a Wheatstone bridge.
K6-32: POTENTIOMETER
Category: K6 Electric Circuits and Instruments
Purpose:
Find an unknown EMF using a voltage divider.
K6-12: SERIES/PARALLEL LIGHT CIRCUIT CONUNDRUM
Category: K6 Electric Circuits and Instruments
Purpose:
Test your ability to analyze series/parallel circuit.
K5-42: TRANSISTOR
Category: K5 Electrical Properties of Matter
Purpose:
Demonstrate a transistor circuit.
I1-17: THERMOSTAT - MODEL
Category: I1 Thermal Properties of Matter
Purpose:
Model of use of a bimetal strip in a thermostat.
J4-43: CAPACITORS IN SERIES AND PARALLEL WITH PROJECTION METER
Category: J4 Capacitance and Polarization
Purpose:
Illustrate voltage relations in series and parallel capacitor circuits.
J4-42: CAPACITORS IN SERIES AND PARALLEL
Category: J4 Capacitance and Polarization
Purpose:
Demonstrate the voltage/charge/capacitance relationships in series and parallel capacitor circuits.
J4-03: PARALLEL PLATE CAPACITOR - SERIES CAPACITORS
Category: J4 Capacitance and Polarization
Purpose:
Demonstrate the effect of capacitors in series.
K7-11 RC CIRCUIT - RC TIME CONSTANT - OSCILLOSCOPE
Category: K7 RLC Circuits
Purpose:
Observe the shape of the charging and discharging curves. Measures an RC time constant.
-
I1-01: THERMOMETERS
Show several types of thermometers. Read More
-
I1-11 THERMAL EXPANSION - BALL AND HOLE
Illustrate thermal expansion in a paradoxical way. Read More
-
I1-12: THERMAL EXPANSION - BALL AND RING
Demonstrate thermal expansion. Read More
-
I1-13 THERMAL EXPANSION - BIMETAL STRIP
Demonstrate differential thermal expansion. Read More
-
I1-14: THERMAL EXPANSION OF ALUMINUM - OPTICAL LEVER
Demonstrate thermal expansion in a complicated way. Read More
-
I1-15: THERMAL EXPANSION - PIN BREAKER
Demonstrate thermal expansion in a dramatic way. Read More
-
I1-16: THERMAL CONTRACTION OF CUPS WITH LN
Measure coefficients of linear expansion. Read More
-
I1-17: THERMOSTAT - MODEL
Model of use of a bimetal strip in a thermostat. Read More
-
I1-18: BIMETALLIC STRIP THERMOMETERS
Allow students to see how bimetallic strips are used in thermometers and thermostats. Read More
-
I1-19: LAVA LAMP
Demonstrate differential thermal expansion between two liquids, and to take us all back to the 1960s. Read More
-
I1-21: WATER NEAR 4 DEGREES CELCIUS
Demonstrate that the maximum density of water occurs around 4 degrees centigrade. Read More
-
I1-22: WATER DENSITY VS TEMPERATURE
Demonstrate the change in the density of water with temperature. Read More
-
I1-32: RUBBER BAND CONTRACTION DURING HEATING
To demonstrate that rubber contracts when heated. Read More
-
I1-40: REVERSIBLE THERMOELECTRIC DEMONSTRATOR
Demonstrate thermoelectric power generation or how thermoelectric devices can create hot and cold regions. Read More
-
I1-41: THERMOELECTRIC MAGNET
Demonstrate production and use of thermoelectric current. Read More
-
I1-42: THERMOELECTRIC FAN
Illustrate generation and use of thermoelectric current. Read More
-
I1-51: RUBBER AT LN TEMPERATURE
Demonstrate how a normally elastic material at room temperature becomes rigid at very low temperatures. Read More
-
I1-52: TUNING FORK AT LIQUID NITROGEN TEMPERATURE
Demonstrate the change in frequency of a tuning fork at liquid nitrogen temperature. Read More
-
I1-53: LEAD BELL AT LIQUID NITROGEN TEMPERATURE
Demonstrate the effect of temperature on vibrations in a lead bell. Read More
-
I1-61: DUST EXPLOSION
Produce a dust explosion. Read More
-
I1-62: DUST EXPLOSION MODEL
Show why small particles of flammable material can create a dust explosion when ignited. Read More
-
I1-63: HYDROGEN EXPLOSION
Produce a hydrogen explosion. Read More
-
I1-64: BURNING CANDLE - COMBUSTION PROCESS
Demonstrate features of the burning process and to debunk myths about this supposedly well-known demonstration. Read More
-
I1-71: SHAPE-MEMORY ALLOY - THERMOBILE
Illustrate shape-memory alloy. Read More
-
I1-72: SHAPE-MEMORY ALLOY - ICEMOBILE
Illustrate shape-memory alloy. Read More
-
I1-73: SHAPE-MEMORY ALLOY - COOL CRAFT
Illustrate shape-memory alloy. Read More
-
I1-74: SHAPE-MEMORY ALLOY - CLOVER
Illustrate shape-memory alloy. Read More
- 1