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Q25. A hollow cylinder of length 4 m has its cross section as shown in Figure below. If the cylinder is made of carbon (o = 105 mhos/m), the resistance between the ends of the cylinder. Take a = 3 cm, and b= 5 cm. 1.89 ohm 3.78 ohm 7.56 ohm 5.67 ohm

Q25. A hollow cylinder of length 4 m has its cross section as shown in Figure below. If the cylinder is made of carbon (o = 105 mhos/m), the resistance between the ends of the cylinder. Take a = 3 cm, and b= 5 cm. 1.89 ohm 3.78 ohm 7.56 ohm 5.67 ohm

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Yes- counter clock wise Depends on E Q25. A hollow cylinder of length 4 m has its cross section as shown in Figure below. If the cylinder is made of carbon (o = 105 mhos/m), the resistance between the ends of the cylinder. Take a = 3 cm, and b 5 cm. 3.78 ohm 1.89 ohm 5.67 ohm 7.56 ohm Page 5 FL20, AY2020-2021
Transcribed Image Text:Yes- counter clock wise Depends on E Q25. A hollow cylinder of length 4 m has its cross section as shown in Figure below. If the cylinder is made of carbon (o = 105 mhos/m), the resistance between the ends of the cylinder. Take a = 3 cm, and b 5 cm. 3.78 ohm 1.89 ohm 5.67 ohm 7.56 ohm Page 5 FL20, AY2020-2021
Expert Solution
Step 1

Given

Inner radius of the cylinder a =3 cm

Outer radius of the cylinder b =5 cm

Resistivity of the material

 σ =105 mho/mρ =1σρ=1150 ohm m

Length of the cylinder l = 4 m

Area of the cylinder

 A =πb2-a2A = π 52-32A =π25-9A = 16π cm2

A = 16π*10-4 m2

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