How to make an inverter without a transistor?

 Inverter converts DC to AC, which is opposite to the working of rectifier. We can make an inverter from a battery and operate any AC devices like fan, light etc...Here the DC from the battery is converted to AC and then AC is stepped up using a transformer. But normally we depend on transistors for converting DC to AC, but without using transistor we can make it possible. 




In the above circuit DC motor can be used to perform switching action , this is because of change in current during the rotation of armature which are of small gap between other armature coils. This switching action may not be visible when we use all type of DC motors. For the transformer primary due to the switching action AC will occur and secondary will step up the voltage. From the output we can connect any device and it will start working.


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