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Hi there.
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So for this problem, we have a solenoid, as is shown in this figure, and it has a diameter of 2 .5 centimeters, and it is 30 centimeters long, so its length is equal, we're going to call this l, and that is 30 centimeters, and it has 1 ,000.
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1 ,500 thorns.
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So the number of thorns is that value.
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And it carries a current of 2 ampers.
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So what we need to calculate is the magnetic loops through the circular cross -ception area of the solenoid.
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So we need to calculate that magnetic loops.
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Now, the first thing, well, we know that the definition of the flops.
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Is equal to the magnetic field times the coroceptional area times the cosine of the angle between those bed doors because both are defined as bed doors.
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And in this case, we're going to accept that that angle between then is equal to one.
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So from this, we just have to take the product between the magnetic field, and the area, the coreceptional area of the solenoid.
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Now, to obtain the magnetic field, we are going to use the following equation.
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That is that the magnetic field is equal to mu.
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0, which is a constant, times the number of thorns per meter, times the current.
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So in here we just simply substitute the that we know.
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We know that that mused zero is a constant that is 4 pi times 10 to the minus 7th tesla per tesla times meter per area and the number of forms we know that we have 1 ,500 terms and the length of this is 30 centimeters.
02:39
So we can pass that to meters.
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We know that 30 centimeters in meters, we just divide that value by the 100 and we will obtain 0 .3 meters.
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So we divide this value by 0 .3 meters...