A straight 3.00 mm wire carries a typical household current of 1.50 A (in one direction) at a location where the earth's magnetic field is 0.550 gaussgauss from south to north. Find the magnitude and direction of the force that our planet’s magnetic field exerts on this wire if it is oriented so that the current in it is running.

a. from west to east,
b. vertically upward,
c. from north to south.
d. Is the magnetic force ever large enough to cause significant effects under normal household conditions?

It may seem strange that the selected velocity does not depend on either the mass or the charge of the particle. (for example, would the velocity of a neutral particle be selected by passage through this device? ) the explanation of this is that the mass and the charge control the resolution of the device--particles with the wrong velocity will be accelerated away from the straight line and will not pass through the exit slit. if the acceleration depends strongly on the velocity, then particles with just slightly wrong velocities will feel a substantial transverse acceleration and will not exit the selector. because the acc