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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.

Grade:12

1 Answers

Chetan Mandayam Nayakar
312 Points
12 years ago

Lorentz force F=q(E+(vxB)), for no deviation E= -vxB

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