Day: March 10, 2011

G.K. Questions

ISSN

Dear friends, you must have seen the some strange lengthy number written as ISSN in a journal or periodical. Do you know its significance? Let

G.K. Questions

ISBN

Dear friends, you must have seen the some strange lengthy number written as ISBN most probably at the back cover of a book. Do you

Magnetic Materials

Properties of magnets

Following are the some of the basic properties of magnets: A magnet attracts magnetic substances like iron, steel towards it. The attraction is maximum at

Magnetic Materials

Magnetic Materials

Magnetic materials are those materials that can be either attracted or repelled when placed in an external magnetic field and can be magnetized themselves. Examples: