1.

Aconductor AB carries a current i in a magnetic field vec(E) . If vec(AB) = vec(r)andthe force on the conductor is vec(F)

Answer»

`VEC(F)` does not DEPEND on the SHAPE of AB
`vec(F) = i (vec(R) xx vec(B))`
`vec(F) = i (vec(B) xx vec(r))`
`|vec(F)| = i (vec(r) xx vec(B))`

Answer :A::B


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