Home
Class 12
PHYSICS
A rod of length l is rotating with an an...

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 .

Text Solution

Verified by Experts

`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)]`
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    RESONANCE ENGLISH|Exercise Exercis-1|63 Videos

  • ELECTROMAGNETIC INDUCTION

    RESONANCE ENGLISH|Exercise Exercis-1 PART 2|51 Videos

  • ELECTROMAGNETIC INDUCTION

    RESONANCE ENGLISH|Exercise A.l.P|19 Videos

  • ELECTRODYNAMICS

    RESONANCE ENGLISH|Exercise Advanced level problems|31 Videos

  • ELECTROSTATICS

    RESONANCE ENGLISH|Exercise HLP|40 Videos

Similar Questions

Explore conceptually related problems

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 induecd in the rod at the instanr shown in .

A rod of length l is rotating with an angular speed omega about its one end 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 the figure.

a rectangular loop, as shown in Fig. 3.66, moves away from an infinitely long wire carrying a current I. Find the emf induced in the rectangualr loop.

a rectangular loop, as shown in Fig. 3.66, moves away from an infinitely long wire carrying a current I. Find the emf induced in the rectangualr loop.

A rod is rotating with angular velocity omega about axis AB. Find costheta .

A conducting rod of length l is rotating with constant angular velocity omega about point O in a uniform magnetic field B as shown in the figure . What is the emf induced between ends P and Q ?

A uniform rod of mass m and length l_(0) is rotating with a constant angular speed omega about a vertical axis passing through its point of suspension. Find the moment of inertia of the rod about the axis of rotation if it make an angle theta to the vertical (axis of rotation).

A conducting rod of length 2l is rotating with constant angular speed w about its perpendicular bisector. A uniform magnetic field B exists parallel to the axis of rotation. The e.m.f. induced between two ends of the rod is

A conducting rod of length 2l is rotating with constant angular speed w about its perpendicular bisector. A uniform magnetic field B exists parallel to the axis of rotation. The e.m.f. induced between two ends of the rod is

A conducting rod OA of length l is rotated about its end O with an angular velocity omega in a uniform magnetic field directed perpendicualr to the rotation. Find the emf induced in the rod, between it's ends.