<p>What kind of relationship exists between magnetic field strength and distance? I think they are inversely proportional, am i right?</p>
<p>What formula describes this relationship? And is this an empirical or derived equation?</p>
<p>I need help with these. Thanks.</p>
<p>force max=I<em>l</em>B</p>
<p>I is current, l is distance, B is field strength in tesla</p>
<p>Is this an empirical or derived equation? What is the difference?</p>
<p>i think its a staple equation, if that what ur asking</p>
<p>in essence, all equations are derived from simple physics concepts, like force=ma</p>
<p>I did a magnetic field lab and graphed my results of magnetic field and distance. The graph looks like an exponential curve but it rises up quickly and slowly settles due to the large distance. What might the slop of the graph represent? I have no idea.</p>
<p>what was producing the magnetic field</p>
<p>It was a magnet. Half of the magnet was on graph paper. We had a hand-held Xplorer that measures the magnetic field at points. And the strength got weaker as I moved the Xplorer away from the magnet.</p>
<p>well, keep in mind the magenetic field goes from postive to negative, with the magnitude of the field lines being thicker of more dense in an area in a closer proximity to the magnet</p>
<p>basically, as you pulled the hand held explorer away, you were in an area with less magnetic field lines, which explains the recorded weakend mag field</p>
<p>Yes. I was also asked to graph the magnetic field strenth vs. distance using Microsoft Excel. It came out to be an exponential curve kind of thing. Now I need to figure out what the slope of the graph represent. Could it be the mag-field/distance? But what does that tell us?</p>
<p>It is like light, which has a finite anount of energy and then spreads over a greater distance leaving less energy per distance. This could represent like the area of a circle. Is it like an X^2 or an X^3 or like a 1/ one of those. I dont know if my logic is right, so dont go by anything I say.</p>
<p>What is the derivative of magnetic field strength?</p>