- #1

physicsdreams

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## Homework Statement

A charged particle, passing through a certain region of space,has a velocity whose magnitude and directions remain constant.

a. If it is known that the external magnetic field is zeroseverywhere in this region, can you conclude that the external electric field is also zero? Explain.

b. If it is known that the external electric field is zero everywhere, can you conclude that the external magnetic field isalso zero? Explain.

## The Attempt at a Solution

This is more of a conceptual question, and I really have no idea how to approach it.

If someone could help clarify this, that would be great!

Thanks