At a distance of 48.7 cm from a very long (essentially infinite) uniform line of charge, the electric field strength is 1,866 N/C. At what distance (in cm) from the line will the field strength be equal to 811 N/C? 0 ⠀
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At a distance of 48.7 cm from a very long (essentially infinite) uniform
line of charge, the electric field strength is 1,866 N/C. At what
distance (in cm) from the line will the field strength be equal to 811
N/C?
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- A test charge of 4.4 x 10^-6 C is placed 35496 m away from an unknown charge. The magnitude of the electric field at this location is 53.8 N/C. What is the unknown charge?A test charge of + 4 µC is at a field-point P where the electric field E due to other charges is directed to the right and has a magnitude |E| = 4 x 106 N/C. If the test charge is replaced with a charge of - 4 µC, the electric field at P gets modified to E' as : O E' = E O E = (3/4) E O E' = (4/3) E E' = - EWhat is the magnitude of the electric field at a point that is a distance of 3.0 cm from the center of a uniform, solid ball of charge, 5.0 µC, and radius, 8.0 cm? 3.8 x 106 N/C 5.3 x 106 N/C 6.8 x 106 N/C 2.6 x 106 N/C 9.8 x 106 N/C
- On the x axis, a point charge Q = +4.55E-6 C is placed at the origin x = 0.00 m. What is the electric field E at x = –2.82 m (in N/C; use positive sign if E points in the +x direction, and negative sign if E points in the –x direction)?Figure 4 shows a section of a long, thin-walled solid infinitely long metal tube of radius R = 5.00 cm , with a charge per unit length of λ = 2.00 ×10−8C/m . What is the magnitude of the electric field at radial distanceA thin, metallic, spherical shell of radius a = 5.0 cm has a charge qa = 4.00×10-6 C. Concentric with it is another thin, metallic, spherical shell of radius b = 10.00 cm and charge qb = 6.00×10-6 C. a) Find the electric field at radial points r where r = 0.0 cm. b)Find the electric field at radial points r where r = 7.5 cm. c)Find the electric field at radial points r where r = 15.0 cm. d)Discuss the criterion one would use to determine how the charges are distributed on the inner and outer surface of the shells. What is the charge on the outer surface of the outer shell?
- At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 392 N/C. At a distance r2 from the charge, the field has a magnitude of 109 N/C. Find the ratio r2/r1.The total electric flux from a cubical box 28.0 cm on a side is1.84×103 N·m2/C. What charge is enclosed by the box? (1.0μC= 1.0×10^−6C , e0= 8.85×10^−12C^2/N·m^2 k= 8.99×10^9N·m^2/C^2, Charge of electron = 1.6×10^-19C)The figure below shows three charged spheres arranged along the y axis. (Assume 91 = 75.0 cm 22.0 cm 91 –4.80 μC 92 X (a) What is the electric field at x = N/C = 0, y = 3.50 m? (b) What is the electric field at x = 3.50 m, y = 0? Z N/C 2.70 μC and 92 = 4.15 μC. Express your answers in vector form.)
- The electric field 2.0 m from a point charge has a magnitude of 8.0 x 10^4 N/C. What is the strength of the electric field at a distance of 4.0 m?In a physics experiment, we place three charges at the corners of an equilateral triangle, where q1 = 2.75 μC, q2= - 3.45 μC, and q3 = 3.25 μC. If I were to measure the electric field right between charges q1 and q2, what would I find?Two point charges are placed on the x-axis, +5.00 μC at the origin and -10.0 μC at x = 10.0 cm. (a) Find the electric field (magnitude and direction) on the x-axis at x = 6.00 cm.(b) : Draw a diagram and label the electric field vectors, including the net field vector, at point x = 6.00 cm. (Do not submit anything for part (b) on MasteringPhysics.)(c) Find the potential at x = 6.00 cm. k = 9.0 × 109 N ∙ m2/C2