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A 10-cm-long thin glass rod uniformly charged to +10nC and a thin plastic rod uniformly charged to
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- 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.arrow_forwardA circular ring of charge with radius b has total charge q uniformly distributed around it. What is the magnitude of the electric field at the center of the ring? (a) 0 (b) keq/b2 (c) keq2/b2 (d) keq2/b (e) none of those answersarrow_forwardTwo 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).arrow_forward
- A charge of q = 2.00 109 G is spread evenly on a thin metal disk of radius 0.200 m. (a) Calculate the charge density on the disk. (b) Find the magnitude of the electric field just above the center of the disk, neglecting edge effects and assuming a uniform distribution of charge.arrow_forward(a) Find the total electric field at x = 1.00 cm in Figure 18.52(b) given that q =5.00 nC. (b) Find the total electric field at x = 11.00 cm in Figure 18.52(b). (c) If the charges are allowed to move and eventually be brought to rest by friction, what will the final charge configuration be? (That is, will there be a single charge, double charge; etc., and what will its value(s) he?)arrow_forwardA point charge of 4.00 nC is located at (0, 1.00) m. What is the x component of the electric field due to the point charge at (4.00, 2.00) m? (a) 1.15 N/C (b) 0.864 N/C (c) 1.44 N/C (d) 1.15 N/C (e) 0.864 N/Carrow_forward
- A nonconducting rod of length 93 cm has a charge-8.9 nC uniformly distributed along its length. What is the magnitude of the electric field produced at the point p at a distance 46 cm from the rod as shown on the Figure? O 125 N/C O37.0 N/C O. 0.0125 N/C O 5760 N/C O877 N/Carrow_forwardEarlier in the chapter, we saw that tumbling sand and dust grains can develop an electric charge. Typically, smaller grains develop a negative charge, while larger grains develop a positive charge. The smaller grains tend to be lofted higher by the wind, as we’d expect, so when a strong, steady wind blows across a sandy landscape, a charge separation develops. This produces an electric field near the ground, which can reach values as high as 150,000 N/C. At this field strength, how does the magnitude of the electric force compareto the weight force for a typical dust particle of mass 1.8 × 10-12 kg and charge 1.2 × 10-16 C?arrow_forwardTwo parallel circular conducting plates 30 centimeters in diameter are separated by 0.5 centimeters and have charges of +22 nC and -22 nC, respectively. What is the magnitude of the electric field between these plates?arrow_forward
- A long, thin, nonconducting plastic rod is bent into a circular loop that has a radius a. Between the ends of the rod a short gap of length l, where l<<a, remains. A positive charge of magnitude Q is evenly distributed on the loop. (a) What is the direction of the electric field at the center of the loop? Explain your answer. (b) What is the magnitude of the electric field at the center of the loop?arrow_forwardSilicon wafers are made to create the most groundbreaking invention of mankind - microprocessors. If two silicon wafers (assume dipoles), both with masses of 125 grams, radii of 10 cm and thickness of 7x10^-6 m are placed close to each other, separated by a distance of 3 cm, what is the electric field strength experienced by an electron placed on the surface of the negatively charged wafer? What is the final velocity of the electron upon reaching the positively charged plate? How much power is generated by the elctron in its travel?arrow_forwardThe electric field E = C₁ấz + c₂ấy + c3ẩ₂ V/m at point P(0, 1, 0) given a point charge of 3 nC at the origin, a line charge distribution of 8 nC/m at x = 4, y = −3, and a plane charge of 0.5 nC/m² at z = 5. All coordinates are given in meters. Assume free space. What is the numerical value of c₁? What is the numerical value of c₂? What is the numerical value of c3?arrow_forward
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