the notion useful ce from a ze of the ic field ults for x axis such that the x axis ich disk. ( Figure 1) The disk centered at x = 0 has positive charge density n, and the disk centered at a = a has negative charge density-n, where the charge density is charge per unit area. Part A What is the magnitude E of the electric field at the point on the x axis with x coordinate a/2? Express your answer in terms of ŋ, R, a, and the permittivity of free space €0. View Available Hint(s) IVE ΑΣΦ ?

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Conducting Sphere 6 v.A If a total charge of +9.6 C accumulates on the inner surface of the hollow sphere (i.e. the cavity wall), what must be the charge Q of the enclosed point charge? Enter the numerical value in SI units. Type your answer... 7 metal What is the direction of the electric field at point P? A point charge Q is located in an enclosed cavity within a hollow conducting metal sphere. The region in the cavity between the point charge and the sphere is empty space. Point P is completely within the metal. O The electric field at point P is zero. O The direction depends on the value of the charge on the outer surface of the sphere.

y The figure above shows a contour consisting of two semicircular parts, of radii a and b respectively (b> a), that are connected by two short straight-line segments. This contour has a uniform charge distribution p₁ on it. Determine the electric field created by this charge distribution at the origin of the coordinate system in terms of a, b, and P₁-

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Q2. a. Find the expression for the electric field at P due to a point charge Q at (x1,y₁, Z₁) as shown in Fig. Q2a. P(x, y, z) R е (x2) Fig.Q2a b. Repeat 'a' with the charge placed at the origin and show that symmetry is apparent by expressing the electric field in spherical coordinates.

You drop your smartphone and crack the battery. As the lithium-ion components start to mix, the phone is charged to uniform surface charge density o. Using the given dimensions, Determine the electric field vector at a point P, which is a distance d above the center of the clock. O W h P 0

Part A A closed surface encloses a net charge of 3.10 μC . What is the net electric flux through the surface? Express your answer in newton-meters squared per coulomb. %0 ΑΣΦ Submit Request Answer Part B Submit ? If the electric flux through a closed surface is determined to be 2.20 Nm²/C, how much charge is enclosed by the surface? Express your answer in coulombs. IVE ΑΣΦ Request Answer N.m²/C ? C Pearson

Assume a uniformly charged ring of radius R and charge Q produces an electric field E at a point Pon its axis, at distance x away from the center of the ring as in Figure a. Now the same charge Q is spread uniformly over the circular area the ring encloses, forming a flat disk of charge with the same radius as in Figure a. How does the field Eick produced by the disk at P compare with the field produced by the ring at the same point? O O Ek Ering O impossible to determine