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Simple AC Circuits

This Java applet shows a simple circuit consisting of an alternating voltage source and, depending on the selected radiobutton, a resistor (without inductivity), a capacitor or an ideal coil (without resistance). In addition there are meters for the voltage U (red) and the amperage I (blue). Below the drawing of the circuit you see on the left a pointer diagram; it is possible to read the momentary oscillation phases from the position of the two pointers (voltage red, amperage blue). The projection of a pointer onto the horizontal axis corresponds to the momentary value of U respectively I. On the bottom right the dependence of voltage and amperage on the time is illustrated in a diagram. Source code is available. Foreign language versions available.


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