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Science Fair Projects

Published on Sep 16, 2023

Abstract

The objective: The purpose of this project was to measure the degree to which a magnet deflects the plasma arc generated by a Tesla Coil (if any deflection occured at all). It was hypothesized that the magnets would have an effect on the arc, and that north and south poles would produce no signifigant change over each other. In addition, 2 magnets put together to form a rod was compared to 5 magnets put together to form a rod, with the hypothesis predicting that there would be no difference between the two.

Methods/Materials

A Tesla coil was constructed by hand for this project; a high voltage transformer, a capacitor rated for high voltages, tungsten rods (for the spark gap), an aluminum toroid, and copper wire were all used to construct the Tesla coil.

The Tesla coil was powered through a standard wall outlet. A steel rod was screws into a wooden base. A steel hex nut was screwed onto the rod and the magnets were balanced on top of the nut (facing vertically).

2 neodymium magnets were put together for two set of trials, 5 magnets were put together for another two tests (north and south poles were both tested), and a control data set was taken without any magnets at all.

For each trial, a camera atop of a wooden horse was used to take a picture for each trial. This pictures were put into Microsoft Paint, were (after scaling) a gridline was used to measure the maximum point away from the rod the arc reached.

Results


Statistical tests were run on the data sets to determine if the magnets had a significant effect on the path of the arc from the Tesla coil. F-Tests were run to determine variances between data sets, and for every F-Test a T-Test was also run.

All data sets had equal variances (per the F-Test run on that set). Thus, all T-tests which were run assumed equal variances. The T-tests indicated that the magnets had no significant effect on the arc coming from the Tesla coil.

Conclusions/Discussion

This project refuted our hypothesis that the magnets would have an effect on the plasma arc of a Tesla Coil. This conclusion can be reached by looking at any statistical test conducted during the experiment.

Future experimentation will focus on using stronger magnets and multiple magnets positioned in different locations to exert a deflection on the plasma arcs. This is a path not taken previously, and with luck the experiment can uncover the effects magnets have on high voltage electricity discharges.

The project was designed to determine the effect of a magnetic on the path travelled by an arc coming from a Tesla Coil.

Science Fair Project done By Isfar Munir