Arrange the following statement is sequential order to magnetize a steel bar using single touch method.
(a) Once, it has reached the other end, lift the magnet away from the steel bar and again bring it to the starting point.
(b) Keep a steel bar to be magnetized on a wooden table.
(c) Take a strong magnet and bring one of the poles of the magnet near one end of the steel bar and gently rub from one end to the other end.
(d) Repeat this process several times.

Options

A. bcad
B. bacd
C. cbda
D. cabd

Answer

A

Explanation

(a) Keep a steel bar to be magnetized on a wooden table (b)
(b) Take a strong magnet and bring one of the poles of the magnet near one end of the steel bar and gently rub from one end to the other end (c)
(c) Once, it has reached the other end, lift the magnet away from the steel bar and again bring it to the starting point (a)
Repeat this process several times (d)