A piece of straight conducting wire 1m long is held horizontally at a height pointing east to west.Then the wire is let fall freely.Find the difference of potential between the ends of the wire after 1 second.Horizontal component of the earth's magnetic field at a place is 0.25 Gauss.
-
UP 0 DOWN 0 0 2
2 Answers
11Let the wire fall some ht x....
Velocity=\sqrt{2gx}....Total ht=\frac{g}{2}....Thus emf induced will be
E=\int_{0}^{\frac{g}{2}}B\sqrt{2gx}.ldx....
Pls correct me if wrong....
