When an electric current flows across the lines of force of a magnetic field, an electromotive force is observed which is at right angles to both the primary current and the magnetic field. A temperature gradient is observed which has the opposite direction to the Hall voltage.
|
揭示大自然的规律
| |||||||||||||||||||||||||||||||||
| >> << | |||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||
 |
回复Comments
{commenttime}{commentauthor}
{CommentUrl}
{commentcontent}