Consider the symmetrically arranged charges in the figure, in which qa = q = -3.75 µC and 9, 9c = 9d = +3.75 µC. Determine the direction of the electric field at the location of charge q. right down and right up left up and right
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Q: Three charges, q1 = 19.07 nC, q2 = -11.78 nC, and q3 = -17.00 nC, are placed on three corners of a…
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- Consider a uranium nucleus to be sphere of radius R=7.41015 m with a charge of 92e distributed uniformly throughout its volume. (a) is the electric force exerted on an electron when it is 3.01015 m from the center of the nucleus? (b) What is the acceleration of the electron at this point?(a) What is the electric field of an oxygen nucleus at a point that is 1010 m from the nucleus? (b) What is the force this electric field exerts on a second oxygen nucleus placed at that point?Two non-conducting spheres of radii R1 and R2 are uniformly charged with charge densities p1 and p2 , respectively. They are separated at center-to-center distance a (see below). Find the electric field at point P located at a distance r from the center of sphere 1 and is in the direction from the line joining the two spheres assuming their charge densities are not affected by the presence of the other sphere. (Hint: Work one sphere at a time and use the superposition principle.)
- Consider an electron that is 1010 m from an alpha particle (q=3.21019C) . (a) What is the electric field due to the alpha particle at the location of the electron? (b) What is the electric field due to the electron at the location of the alpha particle? (c) What is the electric force on the alpha particle? On the electron?(a) What is the electric field at the lower-light-hand corner of the square shown below? (b) What is the force on a charge q placed at that point?Positive charge is distributed with a uniform density along the positive x-axis from r to , along the positive y-axis from r to , and along a 90( arc of a circle of radius r, as shown below. What is the electric field at O?
- Suppose you place a charge q near a large metal plate. (a) If q is attracted to to the plate, is the plate necessarily charged? (b) If q is repelled by the plate, is the plate necessarily charged?An atomic nucleus contains positively charged protons and uncharged neutrons. Since nuclei do stay together, what must we conclude about the forces these nuclear particles?The charge per unit length on the thin rod shown below is . What is the electric field at the point P? (Hint: Solve this problem by first considering the electric field dE at P due to a small segment dx of the rod, which contains charge dq=dx . Then find the net field by integrating dE over the length of the rod.)
- A thick, conducting, spherical shell of inner radius a and outer radius b carries an excess charge of −2Q. At the center of the spherical shell, a point charge −Q is placed. A. How is the charge −2Q distributed on the think spherical shell? (Just give an answer.) i. How much charge is on the surface of radius a ii. How much charge is on the surface of radius b B. What is the direction of the electric field (radially inward, radially outward or zero) in each of the following regions. (Just give an answer in the table provided.) r < a a <r r> bPLEASE WRITE NICELY DONT TYPE THANKSSS (a) What must be the charge (sign and magnitude) of a 1.45-g particle be for it to remain stationary when placed in a downward-directed electric field of magnitude 650 N/C? (b) What is the magnitude of an electric field in which the electric force on a proton is equal in magnitude to its weight?Two point charges 5uC and -5uc are located 30 cm apart in vacuum. What is the electric field at the midpoint O of the line joining the charges? (b) If a negative charge of magnitude 2nC is placed at this point, what is the force experienced by the test charge?