A beam of electron is projected with a velocity of 4x10^6ms-1 in a region of crossed electric and magnetic fields E and B.If E=600vm-1,the magnitude of B for which the beam passes undeviated is.......
The ans is 2x10-4T.How.
A beam of electron is projected with a velocity of 4x10^6ms-1 in a region of crossed electric and magnetic fields E and B.If E=600vm-1,the magnitude of B for which the beam passes undeviated is.......
The ans is 2x10-4T.How.










