A resistor shaped in the form of an annulus has an outer radius ba inner radius a and its resistance R is given by R=fb pdr 2лr where a

Elementary Geometry for College Students
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Chapter8: Areas Of Polygons And Circles
Section8.5: More Area Relationships In The Circle
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A resistor shaped in the form of an annulus has an outer radius b and
inner radius a and its resistance R is given by
R=bpdr
2πr
where a <r<b and p is the resistance per unit area. Evaluate R.
Transcribed Image Text:A resistor shaped in the form of an annulus has an outer radius b and inner radius a and its resistance R is given by R=bpdr 2πr where a <r<b and p is the resistance per unit area. Evaluate R.
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