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My College Fair——Plasma Lamp.
2017-06-08

 [SCIE web news, June 8th, 2017]  During this College Fair we attempted to do a plasma lamp.

 

In the two day period school has given out a variety of tasks relating to almost all the subjects. For example, the task that the Commerce Department gave us was to make a Logo for our model. Therefore, the allocation for everyone was a great problem. However, through group cooperation we finished all the tasks successfully.

 

The greatest problem in our group, however, was our model.

 

First the ignition coil we bought needs an assembled plug but we only had normal wires. However, we found out that the plastic insulator shell of our wire can perfectly fit into the port with a lot of tries. Other connecting part had problems as well. Having tried for dozens of minutes, we almost covered all the coil with the insulator tape and made the circuit working. Then the discharging was still not stable, for which we checked all the circuit again but cannot find the reason why. Finally, with the guide of Physic teacher, we found out that it’s the coil’s inductance that is not big enough. We already ran out of time so we just left it in this shape.

 

Although we didn’t manage to make the model work stably, we successfully accomplished all the other tasks school assigned. The most important thing, however, was that I applied what I learnt in Physics theoretically into the actual thing and found out a lot of things we would not take notice of in when analyzing the circuit theoretically in high school. For example, I always ignore the resistance of the wires when doing the questions, but its effect towards the circuit is in fact much bigger than I’ve thought.

 

Report &Picture/  Aaron

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