Which of the following are possible results a
steel bar is being magnetised by the stroking method?
A 1 and 2 only
B 1 and 3 only
C 2 and 3 only
D 1, 2 and 3
Which of the following are possible results a
steel bar is being magnetised by the stroking method?
A 1 and 2 only
B 1 and 3 only
C 2 and 3 only
D 1, 2 and 3