Record Details

Observation of the third harmonic sinusoidal voltage response of a small incandescent lightbulb

ScholarsArchive at Oregon State University

Field Value
Title Observation of the third harmonic sinusoidal voltage response of a small incandescent lightbulb
Names Hutchings, Scott (creator)
Tate, Janet (advisor)
Date Issued 2015-04-07 (iso8601)
Note Bachelor of Science (BS)
Abstract This thesis looks at the third harmonic voltage response of a small incandescent lightbulb. The third harmonic voltage, or 3 omega (3ω) voltage, arises from applying a 1ω sinusoidal voltage across a resistive material. The 3ω voltage carries with it information about the thermal conductivity of the material. A lock-in-amplifier is used to analyze and measure the 3ω voltage; the abilities of the lock-in amplifier are explored using an RLC series circuit. Our initial findings show the lock-in amplifier is able measure the 3ω signal of a small lightbulb without needing to subtract out the larger first harmonic voltage, the 1ω signal.
Genre Presentation
Topic third harmonic
Identifier http://hdl.handle.net/1957/55970

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