Magnetic field

Electric current is measured in amperes (A). Voltage: The difference in electric potential energy of charged particles between two points within the electric field is called voltage. The free electrons at the higher potential have more electrical potential energy whereas the free electrons at lower potential have less electrical potential energy. Voltage is measured in volts (V). Resistance: Resistance is the…

Model Scenario During recess on a sunny August afternoon, I noticed several of my students gathered together on the sidewalk. I walked over to see what the fascination was about, and found that one of the students had several types of magnets and other materials. The students appeared to be genuinely interested in discovering what would and would not attract to the different types of magnets. Once we returned to the classroom, several students made statements about characteristics and…

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alone. Geophysicists use Magnetics in order to locate the unexploded ordnance to prevent accidents and damage to infrastructure as these devices may still be active. This is done via a variety of ways and applications. By mainly using magnetic waves we are able to detect certain anomalies in data to a certain…

dynamic million-degree atmosphere and drives the solar wind.” (IRIS mission overview) This mission could help us to understand how material in the Suns corona reaches temperatures thousands of times greater than its surface. It may also explain how magnetic fields cause solar flares. All of these things will help us to understand…

Results An initial resistance versus magnetic field measurement on NdMo16O44 reveals a pronounced magnetic hysteresis effect when a magnetic field is applied perpendicular to the current, but with unknown orientation with respect to the crystal axes, as shown in Fig. 2a for temperatures from 12K to 30K (at temperature below 12K, the overall resistance is too high to produce low-noise measurements with resolvable magnetoresistance features). The individual plots are offset to better show the…

represent the theoretical magnetic moment of trivalent free RE3+ ions and divalent Mn2+ ions respectively. The experimental values of total magnetic moments were found to be smaller than the calculated values (Table xyz). The crystal field effects can lead to lower value of magnetic moments for RE3+ ions in these compositions as compared to free RE3+ ions, which in turn could lower the total magnetic moment of these compositions. This discrepancy in the total magnetic moment values could also be…

naturally magnetic”(“Integrated Magnetics”). These magnetic stones would always point in the same direction and they would use them to guide ships. Also, the name for magnets came from the greek district that they believe magnetic rocks were first found. In the 1800’s the first human made magnet was constructed from various alloys. A magnet is an object that produces a magnetic field around itself and can attract materials to it. The magnetic field around a magnet is the limit of the magnetic…

dependent variables were the amount of magnets (length of magnet) and the amount of shakes. This was done to help us discover if there was a relation between the amount of magnets, and the induced current produced. It was to investigate if a greater magnetic field and increased amount shakes would improve the shake torches ability to light the LED faster by producing more voltage. This was what was hypothesised; from the collected data it is fair to say there is somewhat a relation between the…

In the 2008 film Wall-e, a Waste Allocation Load Lifter Earth-class is the last of its kind cleaning up garbage that has inhabited planet Earth. He is one of the robots sent out on Operation Clean Up to rid the Earth of the waste while the humans are out in space waiting for it to be safe to return home. During the film Wall-e comes across EVE (extraterrestrial vegetable evaluator), who is sent to Earth on a mission to scan for living proof in Earth. Throughout the film we observe how sociology…