The Day of the Inductance: Problems of the 7th Experimental Physics Olympiad, Skopje, 2019
The Day of the Inductance: Problems of the 7th Experimental Physics Olympiad, Skopje, 2019

Summary/Abstract: This is the problem of the 7th international Experimental Physics Olympiad “The Day of the Inductance”. A large inductance made by a general impedance converter is measured by the Maxwell-Wien bridge. The youngest students (S category) have the problem to measure the parameters of the elements in the experimental set-up. The students at middle age (category M) should balance a Wheatstone bridge with resistors only. The inductance measurement is supposed to be accomplished by the students from the upper age (L category) only. From the university students (XL category) we expect error estimation and professionally made measurement protocol. As a homework problem (Sommerfeld price) the general formula for the impedance of the general impedance converter, where the general equation for operational amplifiers is included, has to be derived. Problems for further work are also given in the text. The described set-up can be considered as a prototype for companies producing laboratory equipment.

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