How does changing the direction of moving wire in a magnetic field affect the current

Moving a wire in a magnetic field produces a voltage between the ends of the wire (and a current in the wire if there's any conductor between the ends of the wire).

If the direction of the motion is exactly reversed, then the voltage (and the current) become negative but with the same size.

By changing the direction of the motion, the size of the voltage (and current) can be changed to anything between zero and the maximum.  It's zero when the wire moves parallel to the magnetic field, and maximum when the wire moves perpendicular to the magnetic field.

i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.

answer: the direction of the wind is expressed as the direction from which the wind is blowing. for example, easterly winds blow from east to west, while westerly winds blow from west to east.

explanation: