A disk of radius RR is sprayed with a charged paint so that the resulting charge density varies continually with radial distance, rr, from the center of the disc according to See the image with formula Observation point PP is located on the symmetry axis at a distance hh above the plane of the disc, as shown. If R=7.15cm, h=2.97cm, and σ0 =5.68nC/m2 then what is the potential, in volts, at observation point PP?

A uniformly charged insulating rod of length 12.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of -9.00 μC. Find the electric potential at O, the center of the semicircle. x All the charge is equidistant from the center. Would the potential change if we gathered all of the charge into a single point at this same distance? MV Ⓡ

Parl D Constants A cylindrical capacitor has an inner conductor of radius 2.8 mm and an outer conductor of radius 3.2 mm. The two conductors are separated by vacuum, and the entire capacitor is 2.5 m long. The potential of the inner conductor relative to that of the outer conductor is 320 mV. Find the charge (magnitude and sign) on the inner conductor. Express your answer with the appropriate units. μA ха Хь ماه a b X.10n ☑ Q1= 336 C Submit Previous Answers Request Answer × Incorrect; Try Again; 3 attempts remaining Check that you have converted between SI units of electric charge correctly. Part C The potential of the inner conductor relative to that of the outer conductor is 320 mV. Find the charge (magnitude and sign) on the outer conductor. Express your answer with the appropriate units. HA ? Q2 Value Units

In three corners of a square with d=4 cm side length, there are point charges (in red) Q1=-28 pC, Q2 =-117 pC and Q3 =-57 pC. Calculate the difference between the potentials in the middle (V2) and in the fourth corner (V1) .    (V2-V1) Write your answer in V with 2 decimals.

The math form for an electric potential is 3 x?y + 2 y?xz. What is the corresponding electric field at the position (x, y, z) = (1.0, 2.0, -1.0) m?

What is the electric potential in volts (relative to zero at infinity) at the origin for a charge of uniform density 13.97 nC/m is distributed along the z axis from z = 2.1 m to z = 6.45 m.   Round your answer to 2 decimal places.

The electric potential of a system is presented by the figure shown below. Find the x-component of the electric field at points A, B, and C if Vo = 10 V and x₁ = 20 cm, x2 = 80 cm, x3 = 120 cm. V Vo A X₁ B = The x-component of E-field at point A, EA The x-component of E-field at point B, EB = The x-component of E-field at point C, Ec = 19.714 X₂ C X3 X Units Select an answer ✓ Units Select an answer ✓ Units Select an answer X

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A particle with charge q=16 uC is located at the origin of the coordiante system shown in the figure. Point A is located at (3,4) m.  b. Calculate the value of the electric potential at point A, in volts.  d. Calculate the value of EA in newtons per coulomb.

Given is potential V(x,y,z) = 2x2+5y2+6z2-3xyz. where V is in volts and x, y, z are in %3D meters. Find the magnitude of the electric field at point (3,0,2). ( all coordinates in meters) State your answer to the nearest hundredth of the unit. (V/m).