A rod of length `l` is rotating with an angular speed `omega` about one of its ends which is at a distance a from an infinitely long wire carrying current `i`. Find the emf induced in the rod at the instant shown in .

A rod of length `l` is rotating with an angular speed `omega` about on

1.	A rod of length `l` is rotating with an angular speed `omega` about one of its ends which is at a distance a from an infinitely long wire carrying current `i`. Find the emf induced in the rod at the instant shown in .
Answer» `Eint(mu_(0)i)/(2pi(a+r cos theta))xx(romega).(dr)` `E=(mu_(0)omegai)/(2pi)underset(0)overset(l)intr/(a+r cos theta)dr` `E=(mu_(0)iomega)/(2pi cos theta)[l-a/(cos theta)"ln" ((a+l cos theta)/a)]`

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A rod of length `l` is rotating with an angular speed `omega` about one of its ends which is at a distance a from an infinitely long wire carrying current `i`. Find the emf induced in the rod at the instant shown in .

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