
Resistor threecolour code converter
An interactive animation to calculate the colour codes for different resistor values and vice versa. Choose the colours … full details...

Diode structure
An interactive animation showing the construction of a diode from n and ptype semiconductors. Click the arrow button to… full details...

Structure of an electric torch
An interactive animation showing the structure of an electric torch. Turn the torch on and off and use the arrow button … full details...

Frequency and period calculator
An interactive animation to calculate the period from the frequency and vice versa. Choose between Hz, kHz and MHz for t… full details...

Thermistor calculator
An interactive animation to calculate the resistance of any NTC thermistor. Enter the β constant, the resistance at 25°C… full details...

Oscilloscope controls
An interactive animation showing the controls of an oscilloscope. Place the cursor over any of the oscilloscope controls… full details...

A multimeter
An interactive animation representing a switched range multimeter. Drag the green handle to see what functions the diffe… full details...

Time constant calculator
An animation calculating the time constant for a capacitor. Enter values for the resistance and capacitance to calculate… full details...

Adding sine waves
An animation demonstrating the superposition of sine waves. A sine wave and its consecutive harmonics are drawn. The res… full details...

Amplitude calculator
An interactive animation to calculate the r.m.s. voltage from the peak voltage and vice versa. Choose between mV and V a… full details...