This means that on the right-hand side, ΔΦ sub □ cancels from numerator and denominator, as does Δ□. We can start to do this by multiplying both sides of our equation by Δ□ over ΔΦ sub □. In our scenario, it’s not the electromotive force that we want to solve for, but rather the number of turns in our coil □. It’s equal to negative the number of turns in a coil multiplied by ΔΦ sub □, the change in magnetic flux through the coil, divided by Δ□, the time taken for that magnetic flux to change. Here, the electromotive force is represented using the Greek letter □. Faraday’s law is an equation that tells us how induced emf relates to change in magnetic flux. Because of the change in magnetic flux through the coil, an electromotive force is induced in it. The coil moves in a perpendicular magnetic field - we’ll call it □ - that gets stronger over time. Let’s say that this is our conducting coil with some number of turns. The coil moves perpendicularly to a magnetic field that increases in strength from 12 milliteslas to 16 milliteslas in 0.14 seconds, during which an electromotive force of magnitude 18.6 millivolts is induced in the coil. A conducting coil has an area of 8.68 times 10 to the negative three square meters.
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