A short bar magnet of moment 4 Am^2 is kept in the magnetic meridian with it's north pole pointing geographic north.The distance between two null points is found out to be 20 cm.
1)The value of horizontal component of the earth's magnetic field at that place is:.....4G
2)In the above problem,if...
In 2 separate experiments,KMnO4 and K2Cr2O7 are oxidizing one mole of ferrous oxalate in acidic medium.The no. of molecules of KMnO4 and K2Cr2O7 are respectively?
(With explanation)