CBSE Class 12 Physics 2014 Outside Delhi Set 1 Paper

Question : 1

Total: 30

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

Solution:

One Ampere current can be defined as the amount of current flowing through two infinitely low parallel thin wires kept in vacuum separated by one metre which produces an attractive force of 2×10−7 N∕m.

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