+1 vote
in Class 12 by kratos

Using the concept of force between two infinitely long parallel current carrying conductors, define one ampere of current.

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+5 votes
by kratos
 
Best answer

Definition : One ampere is the value of steady current which when maintained in each of the two very long, straight. parallel conductors of negligible cross-section and placed one metre apart in vacuum, would produce on each of these conductors a force equal to 2 x 10-7 N/m of its length.

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