An observer A and a charge Q are fixed in a stationary frame F. Another observer B is fixed in a frame f, which is moving wrt to F. then

a) both A and B will observe electric fields.

b) both A and B will observe magnetic fields

c) neither A nor B will observe magnetic fields

d) B will observe a magnetic field, but A will not

Hrishant Goswami , 11 Years ago

Grade 10