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A mettalic wire ABC is placed along the curve y=x2 . Coordinates of point A,B and C are (-1,1) (0,0) (1,1) respectively.
The wire is rotating with angular velocity 4 rad/s about z-axis in anti-clockwise sense about the point (0,0).
There exists a uniform magnetic field B=2 tesla towards negative z- axis.
then find the induced EMF between the points A(-1,1) and C(1,1).
is the ans pie^2 . 2 ???Stretch the wire to a straight wire then do..it will become easyPlease approve
Distance from (-1,1) to (1,1) is 2
so emf induced is equals to = Bwl^2/2
= (2 x 4 x 2 x 2)2
= 16 Volt.
PLZ APPROVE!
vikas yadav....
this we can do only if the wire is rotating from one of the ends of the parabola....
but in this case it is rotating about the point (0,0).
so your answer is wrong...........
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