Arrange the following in asending order of magnetic induction at a point on axis of circular loop of radius (r) at a distance (x) from its centre (for the same currents in the loops)
a) `r=R,x=sqrt3R` b) `r=2R,x=sqrt5R`
c) `r=R/2,x=2sqrt2R`

Options

A. a, c, b
B. a, b, c
C. b, c, a
D. c, a, b

Answer

D