Point charges, 1 mC and –2 mC are located at (3, 2, 1) and (–1,–1, 4). Calculate the electric force on a 10 nC located at (0, 3, 1) and the electric field intensity at that point.
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Point charges, 1 mC and –2 mC are located at (3, 2, 1) and (–1,–1, 4). Calculate the electric force on a 10 nC located at (0, 3, 1) and the electric field intensity at that point.
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- Consider an electron that is 1.10-10 m from an alpha particle with charge 3.2.10-¹⁹ C. (a) What is the electric field due to the alpha particle at the location of the electron? The direction of the electric field by the alpha particle at the electron is Ela ate C (b) What is the electric field due to the electron at the location of the alpha particle? The direction of the electric field by the electron at the location of the alpha particle is #J N C |Ele- at a (c) What is the magnitude of the electric force on the electron? ✔N F = = (d) What is the magnitude of the electric force on the alpha particle? Fa= N (e) Do the two forces obey Newton's Laws?A long cylinder of radius 2 cm carries a charge of 5 µC / m2 kept in a medium of dielectric constant 50. Find the electric field intensity at a point situated at a distance 1 m from the axis of cylinder.A ring of radius R=2.4 cm in radius contains a uniform distribution of charges, and the field The resulting electrical E is measured along the central axis of the ring (perpendicular to the plane of the ring). How far from the center of the ring is the field maximum?
- A dust particle (M=5.0x108kg) that carries charge Q=8.0x10.6℃ is placed in between two parallel plates that are equally but oppositely charged at a distance of 4.0cm from the (-) plate. The strength of this constant (uniform) electric field is E=12,500 N/C. The P.E. of Q when placed at 4.0cm from (-) plate is exactly equal to the work it can do as it is pushed to the (-) plate. is 0.004J is 400mJ Answeres a, b & c are correct. Answeres a & b are correct.Two charges are located in the xy plane: charge q₁ = -3.35 nC is located at (x = 0.00 m, y = 1.000 m); charge q2 = 3.40 nC is located at (x = 1.40 m, y = 0.450 m.) Calculate the x and y components, Ex and Ey, respectively, of the net electric field È at the origin. The value of the Coulomb force constant is 1/(4€) = 8.99 × 10⁹ Nm²/C². Ex = N/C Ey = = N/CTwo horizontal parallel plates are separated by a distance of 165mm creating an electric field of 32 µN/C directed north. An electron is place halfway between the two plates with and fired with initial velocity 67m/s from the horizontal. Calculate the time it takes for the electron to land at the positive plate and its speed before hitting the plate,
- Suppose you design an apparatus in which a uniformly charged disk of radius R is to produce an electric field. The field magnitude is most important along the central perpendicular axis of the disk, at a point Pat distance 2.90R from the disk (see Figure (a)). Cost analysis suggests that you switch to a ring of the same outer radius R but with inner radius R/2.90 (see Figure (b)). Assume that the ring will have the same surface charge density as the original disk. If you switch to the ring, by what part will you decrease the electric field magnitude at P? (a) (b) Number i UnitsA ring and a disk both are centered at (0, 6, 3) and are both lying on the plane y = 6. The ring has a radius of 7 m, while the disk has a radius of 9 m, so that the ring is around the disk. Determine the magnitude of the electric field in kV/m at point (0, -9, 3) if the ring has a total charge of -8 mC and the disk has a total charge of 6 mC. All coordinates are measured in meters.Now, you try this one. Compute the electric field experienced by a test charge q =+0.80µC from a source =+0.15µC in a vacuum when the test charge is places 0.20 m away from the other charge.