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Consider an electron near the Earth\'s equator. In which direction does it tend

ID: 2253945 • Letter: C

Question

Consider an electron near the Earth's equator. In which direction does it tend to deflect if its velocity is directed in each of the following directions?

(a) downward DirectionNorthSouthWestEastUpDownZero deflection (b) northward DirectionNorthSouthWestEastUpDownZero deflection (c) westward DirectionNorthSouthWestEastUpDownZero deflection (d) southeastward DirectionNorthSouthWestEastUpDownZero deflection Consider an electron near the Earth's equator. In which direction does it tend to deflect if its velocity is directed in each of the following directions?

Explanation / Answer

So I agree with a and c. But if the electron is going north, it will be going along the the B field, so it will not deflect at all, so it will keep going north, until the direction of the field changes direction. And if it going south east, the south part will not matter, since it aligns with the field, so it does the same as it would if it was going just east, which is upward.