A. heating
B. hammering
C. by inductive action of another magnet
D. by all above methods
Correct Answer: by all above methods ✔
Last Updated: December 17, 2018
A. heating
B. hammering
C. by inductive action of another magnet
D. by all above methods
Correct Answer: by all above methods ✔
Last Updated: December 17, 2018