Understanding of electromagnetism has contributed greatly to the advancement of many modern electronics technologies.Ī Tesla coil can also provide a great educational benefit in physics and electrical engineering education. A Tesla coil uses the intimate relationship between electricity and magnetism (electromagnetism), which were thought to be separate phenomena until the 19th century. Its function ranges from generating a bolt of spectacular lightning to transmitting electric power wirelessly.
#Tesla persecond to volts series#
We show that it can play the same role as the series RLC circuit of the primary circuit in the classical Tesla coil.Ī Tesla coil is one of the devices that has fascinated people for years. The primary circuit in a modern Tesla coil used here is a parallel RLC circuit. To satisfy the educational purpose of this paper, we also choose the simplest design for a modern Tesla coil. This paper describes a modern Tesla coil by providing mathematical details that are appropriate for undergraduate students’ level. However, the designs of modern Tesla coils were complicated and the mathematical descriptions for Tesla coils were beyond undergraduate students’ level. Several papers described how modern tesla coils work. Meanwhile, in many modern Tesla coils, a transistor is used instead of a spark gap, since it can switch on and off very quickly using a lower voltage. In a classical Tesla coil, a spark gap switches the current on and off flowing through the primary coil. Ampere’s law states that a current induces a magnetic field and Faraday’s law states that a changing magnetic flux induces a voltage. A Tesla coil shows the intimate relationship between electricity and magnetism. For example, Ampere’s law and Faraday’s law are concepts in physics while an LC circuit, an RLC circuit, and the properties of a transistor are concepts in electrical engineering. It incorporates several concepts from physics and electrical engineering. A modern Tesla coil is an excellent multidisciplinary example in undergraduate STEM teaching.
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