Applet: Resistance at the Molecular Level
• D+55+32
Related Demos
D+55+5
Conductivity of solution with free ions D+55+0
Resistance boards: Series, parallel, Wheatstone bridge. D+55+2
Watt's law: Variable resistor, glow coil, volt and amp meter. D+55+4
High current melts the fuse wire. D+55+6
Resistance thermometer: Iron coil in liquid Nitrogen and flame varies current. D+55+8
Effect of temperature on current in carbon or tungsten filaments. D+55+10
Large tungsten filament lamp; as it heats, current drops. D+55+12
Oscillator with resistor, capacitor and neon lamp. D+55+13
Same as D+55+12 using speaker for audio tone generation. D+55+14
Same as D+55+12 using oscilloscope to display waveform. D+55+16
Film: "Elementary electricity", sound; 8 min. D+55+18
Resistor analog: Marbles cascading down pin board. D+55+20
Applet: Battery-Resistor Circuit D+55+22
Applet: Conductivity D+55+24
Applet: Kirchhoff's Rules (Circuit 2) D+55+28
Applet: Circuit Construction Kit (AC+DC), Virtual Lab D+55+30
Applet: Ohm's Law