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a charge of 2C is at (3, 0, 0). what charge must be placed at (-3, 0, 0) which will make y component of total E zero at the point (2, 3, 3)?
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- Repeat the preceding problem, with E=2xi+3x2k.Hello, I understand that to calculate the net charge in the shell, I need to integrate the equation from 4 cm to 6 cm with volume charge density times 2 * pi * r * dr. However, since the problem here provides me with a novel expression of p = b/r, I am a bit lost... Could you please tell me how I can solve such problem?What is the magnitude of the electric field E on the z axis as a function of z, for z>0
- The conductor in the preceding figure has an excess charge of – 5.0 μC . If a 2.0-μC point charge is placed in the cavity, what is the net charge on the surface of the cavity and on the outer surface of the conductor?Using the symmetry of the arrangement, show that the net Coulomb force on the charge at the center of the square below is zero if the charges on the four corners are exactly equal.Compute for the work done, in millijoules, in moving a 8-nC charge radially away from the center from a distance of 7 m to a distance of 11 m against the electric field inside a non-conducting spherical shell of inner radius 3 m, outer radius 17 m, and total charge 8 mC.
- Consider the following representation of charge interactions, all of which are in the same dielectric medium: Which set of particles (a, b, c, d or e from the image) has the lowest (most negative) energy?Calculate the electric field strength using the Kaos law resulting from a conductive sphere of radius R and charged with a uniform charge of magnitude DeltaC / m at a point located 1:- (inside the conductive sphere and a distance from the center (a R)What is the force on the charge q at the lower-right-hand comer of the square shown here?
- A spherical water droplet of radius 25 m carries an excess 250 electrons. What vertical electric field is needed to balance the gravitational force on the droplet at the surface of the earth?Calculate the resultant force on the 2 micro coulomb charge.Find all the bound charges and the total charge of a dielectric sphere of radius a carrying polarization P = rr ̂ ?