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A very thin glass rod 20cm long is rubbed all over with a silk cloth. It gains a

ID: 2280939 • Letter: A

Question

A very thin glass rod 20cm long is rubbed all over with a silk cloth. It gains a uniformly distributed charge of +2.4x10^-6 C and it is placed along the x-axis with its center at origin.


a. Find the magnitude of the electric field as a function of D, the distance from the right edge of the rod, for any point to the right of the rod. Show your work clearly, and explain any assumptions you made.


b. Determine the potential difference between two points D1 = 4cm and D2 = 5cm to the right of the end of the rod.



Please show as many steps as you can and explain as much as you can, would be very helpful

Explanation / Answer

A very thin glass rod 20cm long is rubbed all over with a silk cloth. It gains a

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