Problem Set 6 C Advanced Physics ques x Current C www.webassign.net/web/Student

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Problem Set 6 C Advanced Physics ques x Current C www.webassign.net/web/Student Assignment-Responses last?dep 15855048 Need Help? Read it 4. -12 points KatzPSEf1 28. P.033 My Notes Ask Your Teacher Two concentric, metal spherical shells of radii a 4.5 cm and b 8.3 cm are separated by aluminum as shown in the figure below. The inner sphere has a total charge Q at any time. If the two spheres are maintained at a potential difference of 2.4 V via an external source, calculate the current from one sphere to the other. Need Help? Read It Watch It -2 points KatzPSEf1 28.P047 My Notes Ask Your Teacher A 80.0-cm length of a cylindrical silver wire with a radius of 0.195 mm is extended horizontally between two leads. The potential at the left end of the wire is 3,05 V, and the potential at the right end is zero. The resistivity of silver is 1.586x10 8 m. 7:56 PM Ask rne 228/2017

Explanation / Answer

Here , for the resistance of the shell

R = (b -a)* p/(4pi * ab)

R = 9.71 *10^-8 * (0.083 - 0.045)/(4pi * 0.083 * 0.045)

R = 7.86 *10^-8 Ohm

current from one to other = 2.4/(7.86 *10^-8)

current from one to other = 3.05 *10^7 A

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