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- A thin, semicircular wire of radius R is uniformly charged with total positive charge Q (Fig. P24.63). Determine the electric field at the midpoint O of the diameter.arrow_forwardA thick insulating cylindircal shell of inner radius a=2.9R and outer radius b=6.8R has a uniform charge density p. PR What is the magnitude of the electric field at r=8.3 R ? Express your answer using one decimal place in units ofarrow_forwardA conducting sphere is placed within a conducting spherical shell. The conductors are in electrostatic equilibrium. The inner sphere has a radius of 1.50 cm, the inner radius of the spherical shell is 2.25 cm, and the outer radius of the shell is 2.75 cm. The inner sphere has a charge of 228 nC and the spherical shell has zero net charge. What is the electric field at a point 3.80 cm from the center? Enter a positive answer if the electric field is directed away from the center and a negative answer if the electric field is directed toward the center.arrow_forward
- A long non-conducting cylinder has a charge density p= ar, where a = 5.58 C/m² and r is in meters. Concentric around it is a hollow metallic cylindrical shell. L 9.4 cm 21.2 cm 32.6 cm What is the electric field at 2.93061 cm from the central axis? Assume the length L is very long compared to the diameter of the shell, and neglect edge effects. The permittivity of free space, €0, is 8.8542 x 10 C²/N/m². Answer in units of N/C. 12 What is the electric field at 8.25 cm from the central axis? Answer in units of N/C. What is the direction of the electric field at 15.5 cm from the central axis? 1. The electric field is not a vector and there- fore has no direction. 2. Undetermined, since the field is zero. 3. Points radially outward. 4. Points radially inward.arrow_forwardA long, thin straight wire with linear charge density A runs down the center of a thin, hollow metal cylinder of radius R. The . cylinder has a net linear charge density 2A. Assume A is positive. esc 1 BA Q A 1 option Z 2 W S X H command # 3 20 E D $ 4 C ▾ Part A Y 888 FA R F Find expressions for the magnitude of the electric field strength inside the cylinder, r R. Give your answer as a multiple of X/co. Express your answer in terms of some or all of the variables R, r, and the constant as a multiple of ratio of charge density A to vacuum permittivity Co. 195| ΑΣΦΑ 3 2πE Provide Feedback E- Submit X Incorrect; Try Again; 4 attempts remaining % 5 V 20 T Previous Answers Request Answer G 6 MacBook Air B Y H B ? & 7 U N 8 4 DI 9 M I O K DE MOSISO > } ✓ delarrow_forwardA charge of 2.5 uC (micro-Coulombs) is distributed evenly along a rod of length 6m. If the rod is bent into a circular arc with a radius of curvature of 2.4m, what is the magnitude of the electric field at the centre of curvature? Use units of N/C.arrow_forward
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- An insulating spherical shell has uniform charge 5.0 nC, inner radius a radius b 20 cm. It is concentric with a conducting spherical shell with total charge -5.0 nC, inner radius = 10 cm, and outer c = 30 cm, and outer radius d = 40 cm. a C p. Find the magnitude of the electric field at the following three distances from the center: r = 5 cm, 25 cm, and 50 cm.arrow_forwardQ The 4πR²T insulation sphere is placed at the center of a conducting spherical shell of inner Radius of 2R and outer radius 3R which has the total charge of +20. Which of the followings is the magnitude of the electric field at the region Rarrow_forwardA thick insulating spherical shell of inner radius a=2.1R and outer radius b=9.9R has a uniform charge density p. pR What is the magnitude of the electric field at r=4.5 R ? Express your answer using one decimal place in units ofarrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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