The magnitude of the earth’s magnetic field at a place is `B_0` and the angle of dip is `delta`. A horizontal conductor of length `L` lying in magnetic North-South moves eastwards with a velocity `v`. The emf induced across the conductor is
Options:
(a) zero
(b) `B_0Lvsin delta`
(c) `B_0Lv`
(d) None of the above