What is the property of retentivity in magnetic materials?
Posted: Thu Jul 14, 2022 10:19 am
a) After removal of external magnetic fields, magnetization exists
b) After removal of external magnetic fields, magnetization doesn’t exist
c) After removal of internal magnetic fields, magnetization exists
d) After removal of internal magnetic fields, magnetization doesn’t exist
b) After removal of external magnetic fields, magnetization doesn’t exist
c) After removal of internal magnetic fields, magnetization exists
d) After removal of internal magnetic fields, magnetization doesn’t exist