Problem 21:   A circular 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 = 3.7 cm. The circular segment has a uniform charge density and a total charge of Q = 2.5 × 10-12 C. What is the value of the potential at the point (xob, 0, 0) in volts if xob = 6.5 cm?

Q: 4. In the figure, a nonconducting rod of length L = 12.0 cm has a negative charge -q = -4.25 fC…

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Q: ) What is the charge on the surface of a conducting sphere of radius 0.10 m whose potential is 450 V…

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Q: B d A

A: Surface charge density on disc σ = charge/area     =- Q2 /πR22

Q: Charge is distributed on the surface of a sphere of radius R with a density σ(0) = To cos² 0. There…

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Q: 4. In the figure, a nonconducting rod of length L = 12.0 cm has a negative charge -q = -4.25 fC…

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Q: y 11. Three charges +Q, -Q and -Q are located on the circumference of a circle of radius r as shown.…

A: Step 1: Step 2: Step 3: Step 4:

Q: look at the three charges along they axis. shown in the image. Find an expression for the electric…

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Q: For a single, isolated point charge carrying a charge of q = 3.02 x 10-¹¹ C, one equipotential…

A: The potential on the surface is

Q: A circular ring of charge is cut so that 3/4 of the ring remains and is arranged in the yz-plane as…

A: Potential of a small element is, dV=14πε0dqR2+x0b2=14πε0λRdθR2+x0b2 Linear charge density is,…

Q: A total electric charge of 4.50 nC is distributed uniformly over the surface of a metal sphere with…

A: Given data, Charge Q=4.5 nC = 4.5×10-9 C. Radius of sphere R=26 cm = 26×10-2 m.

Q: A charge Q=-13 nC is placed at the origin. What is the electric potential at point A=(4.2, -4.7) cm?…

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Q: The thin plastic rod shown in the figure has length L = 11.0 cm and a nonuniform linear charge…

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Q: The picture below shows two concentric rings. The outer ring has a charge of -300nC and a radius of…

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Q: Chapter 25 Q178: Three circular, nonconducting arcs of radius R = 3 cm.The charges on the arcs are…

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Q: An infinitely long cylinder with radius R= 3 cm has uniform charge density = +4 × 10-10 . If the…

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Q: A long cylindrical insulating shell has an inner radius of a=1.41 m and an outer radius of b=1.6 m.…

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Q: 2. The figure below shows a total charge +Q distributed uniformly over a circular ring of radius R.…

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Q: In the figure a plastic rod having a uniformly distributed charge Q = -27.2 pC has been bent into a…

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Q: A plastic disk of radius R = 72.2 cm is charged on one side with a uniform surface charge density…

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Q: Five particles with equal negative charges 2q are placed symmetrically around a circle of radius R.…

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Q: Two point charges Q1= +40 nC and Q2= -30 nC are 100 mm apart. Point A is midway between the charges…

A: We have two charges of magnitude Q1=40 nC and Q2=-30 nC which are separated by a distance d=100 mm.…

Q: E (1) (2) (4) (5) (6) 2

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