A charge -3q is placed at x = 0 and another charge +q is placed at x = 20 cm. Considering a point A located at x- 30 cm, q = 5 x 10C, and k = 9x 10 Nm2/C² Question 9 a) Find the net electric field at point A: O9 x 10 N/C [left] O 9x 10° N/C [right) O3x 10 N/C [right] O3x 108 N/C [left) 3 x Question 10 b) Find the net electric force on a charge of -3 x 10ª C placed at point A. O 9 x 104 N [right|] O3x 104 N [left] O 3x 10 N [right] O 9 x 10ª N [left]

A charge -3q is placed at x = 0 and another charge +q is placed at x = 20 cm. Considering a point A located at x- 30 cm, q = 5 x 10C, and k = 9x 10 Nm2/C² Question 9 a) Find the net electric field at point A: O9 x 10 N/C [left] O 9x 10° N/C [right) O3x 10 N/C [right] O3x 108 N/C [left) 3 x Question 10 b) Find the net electric force on a charge of -3 x 10ª C placed at point A. O 9 x 104 N [right|] O3x 104 N [left] O 3x 10 N [right] O 9 x 10ª N [left]

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter25: Gauss’s Law

Section: Chapter Questions

Problem 49PQ

See similar textbooks

Similar questions

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?
A thin, square, conducting plate 50.0 cm on a side lies in the xy plane. A total charge of 4.00 108 C is placed on the plate. Find (a) the charge density on each face of the plate, (b) the electric field just above the plate, and (c) the electric field just below the plate. You may assume the charge density is uniform.
A solid conducting sphere of radius 2.00 cm has a charge 8.00 μC. A conducting spherical shell of inner radius 4.00 cm and outer radius 5.00 cm is concentric with the solid sphere and has a total charge −4.00 μC. Find the electric field at (a) r = 1.00 cm, (b) r = 3.00 cm, (c) r = 4.50 cm, and (d) r = 7.00 cm from the center of this charge configuration.
Two solid spheres, both of radius 5 cm, carry identical total charges of 2 C. Sphere A is a good conductor. Sphere B is an insulator, and its charge is distributed uniformly throughout its volume. (i) How do the magnitudes of the electric fields they separately create at a radial distance of 6 cm compare? (a) EA EB = 0 (b) EA EB 0 (c) EA = EB 0 (d) 0 EA EB (e) 0 = EA EB (ii) How do the magnitudes of the electric fields they separately create at radius 4 cm compare? Choose from the same possibilities as in part (i).
Is it possible for a conducting sphere of radius 0.10 m to hold a charge of 4.0 C in air? The minimum field required to break down air and turn it into a conductor is 3.0 106 N/C.
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.)
An electric field of E = 34.97 MV/m is desired between two parallel plates, each of area 4.1 cm2 and separated by 14.19 mm of air. What charge must be on each plate? Express your answer in nC. Note: For this problem, use ε0 = 8.8541878x10-12 F/m
An electric field of E = 38.29 MV/m is desired between two parallel plates, each of area 15.41 cm² and separated by 2.16 mm of air. What charge must be on each plate? Express your answer in nC. Note: For this problem, use ɛo = 8.8541878x10-12 F/m
A finite line of charge with linear charge density 2 = 2.00 x 10-6 C/m and length L = 0.918 m is located along the x-axis (from x = 0 to x = L). A point charge of q = -6.44 x 10-" C is located at the point xo = 1.70 m, Yo = 4.75 m. Find the electric field (magnitude and direction as measured from the +x-axis) at the point P, which is located + + along the x-axis at xp = 11.10 m. The Coulomb force constant is k = 1/(4z/eo) = 8.99 × 10° (N-m²)/C². E = N/C
Two point charges, +5.20 µC and –2.50 µC are placed on the two lower corners of a square of side 3.33 cm as shown. У-аxis 3.33 cm В 3.33 cm Fig. 1 X-ахis 91 = -2.50 µC 92 = +5.20 pic (a) Calculate the electric field at the upper corner, point C, above the charge q2. (b) Calculate the force that an electron experiences when placed at point C. (c) Give the direction of the acceleration of the electron just after placing it at point C.
Two point charges, +5.20 µC and -2.50 µC are placed on the two lower corners of a square of side 3.33 cm as shown. у аxis 3.33 cm В A C 3.33 cm Fig. 1 х-ахis qi = -2.50 µuC 92 = +5.20 µC (a) Calculate the electric field at the upper corner, point C, above the charge q2. (b) Calculate the force that an electron experiences when placed at point C. (c) Give the direction of the acceleration of the electron just after placing it at point C.
Point charges q1=q2=6.91⨯10-9C are fixed on the y-axis at y = 85.9m and y = -85.9m. There is a charge q3 with 3.90⨯10-9 C at x=8.35m, y= -0.365 . The point P is at x=8.35m, y=0. What is the vertical (y) component of the total electric field at P, due to all three charges in Newtons/Coulomb? (Use the convention that positive values indicate an upwards electric field and negative values indicate a downward force.) Calculate to 1 decimal place. You must draw and label a diagram.