A) in the same direction
B) in the opposite direction
C) at an angle of\[45{}^\circ \] with each other
D) at an angle of\[60{}^\circ \]with each other
E) perpendicular to each other
Correct Answer: E
Solution :
J.J. Thomson determined the value of\[\frac{e}{m}\]for positive rays obtained from different gases. In this experiment the electric and magnetic field are kept perpendicular to each other.
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