Instructions on how to use the animation
below-
- How to produce one or more infinitely long, parallel wires carrying
constant currents of equal magnitude-
- Make sure that the box marked coil is not checked
- Clicking on Current In (Current Out) will produce
a single dot on the screen. This blue dot represents a wire which
is perpendicular to the screen
- The dot will be blue (red) if the current carried by the wire,
represented by the dot, is directed into (out of) the screen
- You can move the wire by dragging it
- You can create multiple infinitely long, parallel wires by
repeatedly clicking on Current In and/or Current Out
- How to produce one or more coils carrying constant currents of equal
magnitude-
- Make sure that the box marked coil is checked
- Clicking on Current In (Current Out) will produce
two dots connected by a shaded line (only one of the two dots will
be visible initially). The coil is perpendicularly bisected by the
screen. Thus, the two dots represent the two points at which the
coil intersects the screen. The shaded line connecting the dots
represents half of the coil bisected by the screen.
- The blue dot represents the intersection of the coil with the
screen at which the current is directed into the screen while the
red represents the intersection of the coil with the screen at
which the current is directed out of the screen. The orientation
of the current with in the coil is determined by whether you
clicked on Current In or Current Out to create the
coil
- You can change the coil's radius by dragging either of the two
aforementioned dots.
- You can move the coil by dragging the midpoint of the coil
- You can create multiple coils by repeatedly clicking on Current
In and/or Current Out
- The currents in parallel wires and all have equal magnitudes
- You can create a spatially uniform background magnetic field by
typing in the x and y components of the uniform magnetic field and
then clicking on the button marked New Field:Bx By
- You can view individual magnetic field lines by checking the box
marked Double Click and then double clicking at any point with
in the animation
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