1.

Define 1amphere

Answer» If 1 coloumb of electric charge is passing through any cross-section of conductor in 1 sec then the electric charge passing through the conductor is said to be equal to 1 ampere.
1 ampere of current means when 1 coloumb of charge flows through a circuit in 1 second
1ampere of current is equal to 1 coloumb of charge passing through in 1 second
Ok
You can see this in your NCERT


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