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प्रश्न
Define current. Give its S.I. unit.
एका वाक्यात उत्तर
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उत्तर
The rate of flow of charge through a conductor is known as current. If a net charge Q, flows across any cross-section of a conductor in time 't', then the current I, through the cross-section is, `"I" = "Q"/"t"`. Its SI unit is Ampere (A).
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