I Help 12 Begin Date: 7/23/2018 12:01:00 AM-Due Date: 7/25/2018 11:59:00 PM End
ID: 306622 • Letter: I
Question
I Help 12 Begin Date: 7/23/2018 12:01:00 AM-Due Date: 7/25/2018 11:59:00 PM End Date:7/30/2018 11:59 (20%) Problem 1: Acircular ring of charge is cut so that 3/4 of the ring remains and is arranged in the yz-plane as shown in the figure. The original ring had a radius of R 3.75 cm. The circular segment has a uniform charge density and a total charge of - 6.5x 10 z-axis 12 C. Randomized Variables R 3.75 cm Q 6.5 x 10-12 C rob,0,0) Otheexpertta.com what is the value of the potential at the point (xob,0,0) in volts if%b = 7.1 cm? Vorob 0,0)-4.86 103 Grade Summary Deductions Potential 8% 92% Submissions sino l cosO | tanO | ?| (1)17| 8| 9|HOME cotanO sin acoso atan0 acotan sinhO 4 5 6 2 3 Atempts remaining 1 (4% per atempt) detailed view END coshO tanhO cotanho O Degrees Radians VO ACKSIACHCLEAR Submit I give up! Feedback: 5% deduction per feedback Hints: 4 %deduction per hint. Hints remaining .Explanation / Answer
Every point of circle in yz plane will be equidistant from a point on axis.
r = sqrt[ x^2 + R^2]
V = k q / R
V = (9 x 10^9)(6.5 x 10^-12) / sqrt[0.0375^2 + 0.071^2]
V = 0.73 Volt .......Ans
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