Question

How an unidentified piece of iron bar can be Megnetized ?​

Answer 1

Answer:

here is the answer

Explanation:

if if there is if theiron is passed with electric current then it could be magnetized easily

Answer 2

Answer:

INTEGER REFERS TO THE SET OF WHOLE NUMBERS + THE SET OF THE NUMBERS ON THE NEGATIVE SIDE OF THE NUMBERLINE EXCLUDING FRACTIONAL PART