ENGINEERING APPLICATION A goniometer is a precise
Chapter , Problem 46(choose chapter or problem)
ENGINEERING APPLICATION A goniometer is a precise instrument for measuring angles. A capacitive goniometer is shown in Figure 24-40a. Each plate of the variable capacitor (Figure 24-40b) consists of a flat metal semicircle that has an inner radius and an outer radius The plates share a common rotation axis, and the width of the air gap separating the plates is Calculate the capacitance as a function of the angle u and the parameters given.
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