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Burglar Alarm
This model examines the logic circuit for a simple burglar alarm. The LED will light when the alarm is armed and either… full details...
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Colour Mixing
In this demonstration coloured torches are used to show the colours produced when beams of light of the three primary co… full details...
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Pendulum Period and Mass
This simulation investigates the effect of changing the mass of the pendulum bob on the period of the pendulum. A pendu… full details...
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Type of Ball and Max Height of Bounce
This simulation shows balls of different materials being dropped onto a surface. A graph measures the displacement to sh… full details...
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Direct Current Filter
This demonstration shows how a capacitor can be used to block the d.c. component of a mixed a.c. / d.c. signal. full details...
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Two-Bit Adder
This model uses an OR gate, AND gates, and an inverter, to show how digital logic gates can be used to add two binary di… full details...
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Transistor Amplifier
This model is of a simple transistor amplifier. A graph of the input and output voltages shows that the output signal i… full details...
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Inclined Plane and Acceleration
In this model the user alters the angle of an inclined plane and allows a block to slide down it. The vertical accelera… full details...
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Trolley and Simple Harmonic Motion
A trolley is attached to a spring, displaced from its rest point, and allowed to oscillate on a horizontal level. A gra… full details...
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Capacitors and Resistors in Alternating Current
In this model students will see that increasing the frequency of an a.c. supply has no effect on the current in a circui… full details...