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ਮਿਲਖਾ ਸਿੰਘ ਨੇ ਕਦੋਂ ਦੌੜਨਾ ਛੱਡਿਆ ? |
Answer» i d'nt knowExplanation:Alternating current (AC) is an electric current which periodically REVERSES direction and changes its magnitude CONTINUOUSLY with time in contrast to direct current (DC) which FLOWS only in one direction. |
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