A beam of electrons moving along +y direction enters in a region of uniform electric and magnetic fields. If the beam goes undeflected through this region then field (B) and (E) are directed respectively_______
A. –x axis and +z axis
B. +z axis and –x axis
C. +x axis and –z axis
D. –x axis and –y axis
Answer:B
A beam of electrons moving along +y direction enters in a region of uniform electric and magnetic fields. If the beam goes undeflected through this region then field (B) and (E) are directed respectively_______
A. –x axis and +z axis B. +z axis and –x axis C. +x axis and –z axis D. –x axis and –y axis