question_answer

The results of some observations about the number of iron pins attracted by a bar magnet are shown below. In your opinion which of the given reading are correct? Number of pins attracted Observation        A          B          C         D (i)         10        2          2          10 (ii)        10        5          5          4 (iii)       6          6          6          6 (iv)       2          10        10        2

A) (i)            

B)          (ii)

C) (iii)                   

D)          (iv)