At certain location in the northern hemisphere, the earth's magnetic field has a magnitude of 42?T and points down ward at 57º to vertical. The flux through a horizontal surface of area 2.5 m2 will be ?(Given : cos 33º = 0.839, cos 57º = 0.545)(1)\t42 × 10?6 Wb(2)\t42 × 10?6 Wb/m2(3)\t57 × 10?6 Wb(4)\t57 × 10?6 Wb/m2

Kevin Nash , 10 Years ago

Grade upto college level