©  2017 Virtual Science Ltd

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This is a virtual experiment allows the user to plot the current and voltage relationship of a lightbulb.  The voltage is set on the power supply and the voltage across the bulb is changed by rotating the variable resistor knob.  There are two multimeters that allow readings to be taken for the voltage across the bulb and current flowing through it.  The light bulb can be seen to glow at various colours as the voltage is increased.

IV characteristics - light bulb