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A small glass bead has been charged to +7,067,195e . What is the magnitude of the electric field 6.02 cm from the center of the bead?
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- A square plate of copper with 50.0-cm sides has no net charge and is placed in a region of uniform electric field of 80.0 kN/C directed perpendicularly to the plate. Find (a) the charge density of each face of the plate and (b) the total charge on each face.Sketch the electric field lines in the vicinity of two opposite charges, where the negative charge is three times greater in magnitude than the positive. (See Figure 1S.47 for a similar situation).Calculate the space charge, assuming there are 1,000 positive ions and 900 negative ions per cm3 in the air?
- What is the magnitude of the electric field if a force of 320N is directed north on a 16 nC point charge?What is the magnitude of the electric field if a force of 320 N is directed north on a 16nC point charge?What is the magnitude of the electric field a distance of 75 cm from an infinite wire of charge with a charge density of 3.5 micro-Coulombs per meter? Answer is supposed to be 84,000 N/C
- A metal sphere with a surface area of 0.283 m2 carries a charge of +2.0μC uniformly distributed over its surface. What is the magnitude of the electric field?A proton is released in a uniform electric field and it experiences an electric force of 3.57x10^-14 N toward the south. What is the magnitude and direction of the electric field?What is the magnitude of the electric field 90.30 cm above a 0.00054C charge? Do NOT include units and round answer
- The electric field midway between two equal but opposite point charges is 279 N/CN/C , and the distance between the charges is 10.7 cmcm .What is the magnitude of the charge on each?What magnitude of a point charge needed to create a 13700 N/C electric field at a distance of 0.249 m? How large is the field at 14 m?What is the electric field strength at a point 30 cm from a charge 4 x 10-9 C?