Shows the conversion of mechanical energy into electrical energy and principle of working of simple AC and DC dynamos. Complete assembly mounted on a base and capable of generating both AC and DC simultaneously as indicated by the glowing of LEDs present on the base.A two pole armature is supported on moulded plastic legs on either side and is positioned between two curved steel strips, provided with split ring commutator for DC output and slip ring commutator for AC output..Selectable through a toggle switch. Magnetic field provided by a permanent magnet on top of curved strips. The complete arrangement driven by a hand-cranked bigger driving wheel with handle through an endless rubber belt.                                                           Â
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