If the curved rod in the figure below has a uniformly distributed charge Q = 39.5 nC, radius R = 0.795 m, and o = 63.0°, what is the magnitude of the electric field at point A? N/C R
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- The nonuniform charge density of a solid insulating sphere of radius R is given by = cr2 (r R), where c is a positive constant and r is the radial distance from the center of the sphere. For a spherical shell of radius r and thickness dr, the volume element dV = 4r2dr. a. What is the magnitude of the electric field outside the sphere (r R)? b. What is the magnitude of the electric field inside the sphere (r R)?The electric field 10.0 cm from the surface of a copper ball of radius 5.0 cm is directed toward the ball's center and has magnitude 4.0102 N/C. How much charge is on the surface of the ball?Two parallel conducting plates, each of cross-sectional area 400 cm2, are 2.0 cm apart and uncharged. If 1.01012 electrons are transferred from one plate to the other, what are (a) the charge density on each plate? (b) The electric field between the plates?
- A total charge Q is distributed uniformly on a metal ring of radius R. a. What is the magnitude of the electric field in the center of the ring at point O (Fig. P24.61)? b. What is the magnitude of the electric field at the point A lying on the axis of the ring a distance R from the center O (same length as the radius of the ring)? FIGURE P24.61A line of charge of length L = 42 cm with charge Q = 430.0 nAies along the positive Y axis whose one end is at the origin O. A point charge q = 310.0 µClies on point P = (41, 21.0)Here the coordinates are given in centi-meters. a) Find the Electric field at Pdue to the rod. x component of E Give your answer to at least three significance digits. N/C y component of E Give your answer to at least three significance digits. N/C b)Find the charge density of the rod? why is it in C/mbut not in C/m?? Charge density Give your answer to at least three significance digits. C/m1 ! 7 A skát с A spherically symmetric charge distribution produces the electric field E=( 5400 r²) N/C, where r is in m. Z mylabmastering.pearson.com/?courseld=12649908&key=55673220682936520262024#/ 2 pos W S X 3 20 F3 E D $ 4 C 888 R F What is the electric field strength at r= 16.0 cm ? Express your answer in newtons per coulomb. VG ΑΣΦ 4 Submit Part B Submit Part C What is the electric flux through a 32.0-cm-diameter spherical surface that is concentric with the charge distribution? Express your answer in newton meters squared per coulomb. ΕΠΙ ΑΣΦ % [VG| ΑΣΦ 5 Request Answer V FO Request Answer T How much charge is inside this 32.0-cm-diameter spherical surface? Express your answer in coulombs. G 4 a ^ 6 C 244 MacBook Air Y B SMC & ? 7 H ? N/C 80 F7 N-m²/C U C N H 8 - DII FS 1 ( 9 M DD K chegg.com X C ☆ O O MOSISO O 4 P
- Y Part A A sphere has total charge Q=18 C and radius R. Letr be the radial distance measured from the center of the sphere. The sphere's charge is distributed in such a way that the volume charge density is proportional to the cube of r, that is p(r)=ar³ for some constant a. If the electric field magnitude is E = 39 N/C at r= R/2, what is E at r= 2R? k¹8.99 x 109 Nm²/C² 4700 Express your answer with the appropriate units. E = Submit Part B Submit Value ▾ Part C Value An infinitely long cylinder has uniform volume charge density and radius R. If the electric field magnitude is E = 39 N/C at r= R/2, what is E at r = 2R? r is the distance from the centeral axis of the cylinder. μà Submit HA Request Answer Value μA ← Request Answer Units C Units An infinitely big block of thickness 2R and uniform volume charge density extends infinitely in the z-y plane, and fills the region -R<<< R in the direction. If the electric field magnitude is E = 39 N/C at z = R/2, what is E at z = 22R? Sony ?…The electric field strength at a distance of 2.00 cm from a 2.1 x 10-5 C point charge, expressed in scientific notation, is a.bc x 10dN/C. What are The values of a,b,c and d?Each 4 m length of a long cylinder (radius = 3 cm) has a charge of 17 nC distributed uniformly throughout its volume. What is the magnitude of the electric field at a point 39 cm from the axis of the cylinder? Write your answer in N/C
- A long silver rod of radius 3.0 cm has a charge of 5 microcoulombs per meter on its surface. Find the magnitude of the electric field at a point 5.0 cm from the center of the rod (an outside point). Round to 2 significant figures. what is the electric field at a point 2 cm from the central axis of the rodThe figure shows a section of a long, thin-walled metal tube of radius R=9.01 cm, with a charge per unit length 2.30 nC/m. What is the magnitude E of the electric field at r=7.50 cm RA thin rod carries linear charge density according to the distribution X(z) = Aox/L, where Xo = 29.7 nC/cm and L is the length of the rod. The rod extends from x = 0 cm tc I=28 cm. What is the magnitude of the electric field at a location = 6.0 cm? (please provide your answer in kN/C to 1 decimal place) Type your answer.....
