This is the apparatus of magnetic field measuring device. To the right we measure how many amps were going through. Different variations would be how many loops we went around the tube. We made the white dot point upwards. While adding loops we measured current through.
Some constants through this would be that the current did not change. To the left would be what we calculated. Some weird things would be that with 2 and 3 loops the magnetic field would be lower than one loop, then with 4 loops the field would increase. The chart to the right is different because the apparatus was shape with the ring and white dot pointing in the same direction making the more loops increase.
This chart shows magnetic field with varying loops. This graph makes sense because in relation to the chart listed to the right from above the more loops added the higher the magnetic field.
Above would is an experiment using coils a magnet and a galvanometer. The different ways we could make the galvanometer read higher current was to add more coils, the speed of the magnet entering the coil, and using a stronger magnet.
This experiment used two coils an Alternating current (A/C power) and a Christmas light. What is going on in this picture is that the red object seen controlling how much power is going through. By using it switches up and down. When Professor Mason lowers the coil with Christmas light will emit light. This technology is similar to a Phone charger. Where current is sent through in opposite directions making power travel.
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