Pretend you tip the apparatus up at an angle so that the face of the Helmholtz c

Question

Pretend you tip the apparatus up at an angle so that the face of the Helmholtz coil is parallel to the direction of the earth's magnetic dip angle. (By "face of the Helmholtz coil" we mean the Area Vector is parallel to Earth's Magnetic Field Vector.) The controls are now pointed up into the air. What would the effect be on the beam of electrons? (Assume you have not changed V or I.) The diameter would stay the same. The diameter would decrease. The diameter would increase. The diameter would be half as big. The diameter would be twice as big. There is not enough information to know the effect.

Explanation / Answer

Result : There is not enough information to know the effect .

Explanation :

We should at least know how field is created by the Helmholtz coil compares with earth's field, to determine the effect on diameter ( wheather it is doubled or get halved )

Diameter may be decreased or increased. Hence this would require more information to know the effect on diameter.

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