Magnetic flux through a coil9/9/2023 ![]() ![]() The radius of our conducting coil □ is 18 centimeters. To get started doing this, let’s record some of the information we’re given. And we want to use this information to solve for the average speed at which this coil moves into the field. ![]() We’re told that electromotive force, 0.33 volts. This means that the faster this coil moves into the field, the more emf will be induced in it. ![]() The greater △□ sub □, the change in magnetic flux, over △□, the change in time, the more emf, □, will be induced in the coil. Faraday’s law tells us that the emf induced in the coil has to do with how fast the magnetic flux through that coil changes. A law of physics known as Faraday’s law tells us that when there’s a change in magnetic flux through the area of a conductor that induces an emf, represented by the Greek letter □.īecause there is a change in magnetic flux through this conducting coil as it moves halfway into the magnetic field, it too will experience an induced emf. This means that the magnetic flux through the coil changed over time. But then, over some amount of time, the coil moved so that now half of its area is within that field. In this situation, we have a circular conducting coil that used to be entirely outside of this uniform magnetic field. What is the average speed at which the coil moves? An electromotive force of 0.33 volts is induced while the coil moves. The coil is moved so that half of its area is within a uniform magnetic field of strength 0.12 teslas, directed out of the plane of the diagram shown along the axis of the coil. A conducting coil has a radius □ equals 18 centimeters and 25 turns. ![]()
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