1/31/2024 0 Comments Tapedeck magnetic feild![]() If the current increases, it's effect would be more, and as a result, theįield would also increase. ![]() Kind of makes sense to me,īecause it's the current that's producing the magnetic field, so I would expect that So in other words, they found out that if you put more current, you automatically get more magnetic field. ![]() The needle also increased, the compass deflected more. Strength of the current, then the deflection in One thing they immediately realized, is that if you increase the So they started doing, they started doing moreĮxperiments with this. More about the connection between this electric currentĪnd it's magnetic field. Some other physicists were pretty excited about this discovery. In which we explore this connection between this electricity and magnetism. And that's why this opened upĪ whole new branch of science, or branch of physics, which Some kind of connection between electricity and magnetism. Which means, this gives us a clue that there might be But now with this single experiment, we are seeing that electric current is producing magnetic field. Why was it huge? Well because earlier we thoughtĮlectricity and magnetism were two completely different So who is creating a magnetic field that is deflecting this compass? Well! Because the electric current was responsible for this deflection, maybe electric current producesĪ magnetic field around it. But over here, thereĪren't any magnets nearby. What can push on a magnetic compass? Magnetic fields! We've seen before that magnetsĬan create magnetic fields, and when you bring a tinyĬompass in the vicinity of it, the magnetic field pushes on that compass. What discovery you ask? Well, let's think about this. But more importantly, this experiment led us It's the same principle on which our ammeter and voltmeters work, inside which you pass a current and there's a needle thatĭeflects and shows us the reading. It's used in your washing machines, in your electric drilling Can you imagine what couldīe the applications of that? This principle is used in fans. We have discovered that electricity, an electricĬurrent, can make things turn. So far, we could useĮlectricity to create heat, or light, but now for the very first time in the history of mankind, You may be thinking, what's the big deal about this experiment? So what? Well think about it. We close the circuit, a current will pass through it, and just take a look at what happens to this magnetic needle. And so to perform thisĮxperiment all we need is a wire, a battery to pass electricĬurrent through it, and the magnetic needle. Now before we talk about what it was, let's go ahead and repeat that experiment. Perform some experiment, that magnetic compass deflected. He ran an electric current through that wire to And on his table, there happened to be a tiny So as the story goes, Orsted was doing aĭemonstration in his lecture, in which he had a copper wire, through which he would ![]() What this discovery was, and what were it's implications. New branch of physics that explored the connection between electricity and magnetism. Made an accidental discovery which opened up a whole 1820, a Dutch physicist named Hans Christian Orsted
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