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Why the battery is always DC in nature ? Why not Ac ?🤔

DC is direct current is defined as a flow of electricity that goes in one direction only. Or in simaple languae contact magnitude of voltage and current with respect to time is called as Direct current (DC) 

 Ac is alternating current is defined as a change in magnitude of flow of electricity with respect to time is called Ac

 Now battery source is always in DC because there is both positive and negative charge carriers that may attract to each thats why the battery is always DC but to the attaction and repulsion of charges or electron current flow.

 In AC the polarity will be positive or negative by storing it is not possible to store the AC supple 

Therefore we prefer DC batterys
By this figure you can understand the concept


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