(13%) Problem 4: A circular ring of charge is cut so that 34 of the ring remains

Question

(13%) Problem 4: A circular ring of charge is cut so that 34 of the ring remains and is arranged in the yz-plane as shown in the figure. The original ring had a radius of R-2.1 cm. The circular segment has a uniform charge density and a total charge of Q 65 x 10-12 c. z-axis Randomized Variables R-2.1 cm Q= 6.5 x 10-12 C (rob,0,0) atus or 100% Part (a) what is the value of the potential at the point (ko,0,0) in volts if 9.4 cm? Partial ruential 100% 4 5 6 (4% per attempt atanO acotan sinh0 Hint I give up

Explanation / Answer

net charge on the given segment, Q = 6.5*10^-12 C

R = 2.1 cm = 0.021 m

Potentail at xob = 9.4 cm = 0.094 m

V = k*Q/xob

= 9*10^9*6.5*10^-12/0.094

= 0.62 volts

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