B.P.S.C. School Teacher 7.12.2023
The material commonly used to make the core of an electromagnet is :
aSoft iron✓ Correct
bStainless steel
cAluminum
dMore than one of the above
eNone of the above
Explanation
The core of an electromagnet is made of soft iron (a magnetic material). Electromagnets are used in making electric bells, loudspeakers, and telegraph devices.
general-science