In the experiments for determination of e / m of electrons by Thomson method electric and magnetic field are

Both mutually perpendicular and have no relation with the motion of the electron

Parallel and both are perpendicular to the motion of the electron

Both mutually parallel and also parallel to the motion of the electron

In the experiments for determination of e / m of electrons by Thomson

1.	In the experiments for determination of e / m of electrons by Thomson method electric and magnetic field are
A.	Parallel and both are perpendicular to the motion of the electron
B.	Both mutually parallel and also parallel to the motion of the electron
C.	.
D.	Both mutually perpendicular and have no relation with the motion of the electron
Answer» D. Both mutually perpendicular and have no relation with the motion of the electron

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In the experiments for determination of e / m of electrons by Thomson method electric and magnetic field are

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