Suppose, a charged disk of radius R=16m is lying on the xz plane as shown in the figure. The charge density of the disk is σ = 9nC/m2. The total charge of the disk is 7.234×10-6C. Point s is located along a line perpendicular to the disk and that goes through the center of the disk. Which is happened to be the y axis in this problem. The the Electric field at point s(0,10,0) is 238.98N/C. If we move point s to s′(0,12,0) then  E(s′) is 203.2N/C a) Calculate the magnitude of torque and potential energy of a dipole at point s′. The dipole moment is given by p=(9x+8y)C.m

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Q: In the figure a butterfly net is in a uniform electric field of magnitude E = 5.4 mN/C. The rim, a…

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Q: da R

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Q: There is a +5C charge at the center of a hollow sphere made of a perfect conductor. The hollow…

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Q: An infinite charged wire is charged with a linear charge density of 23 pC/m. Consider a cylindrical…

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Q: Charge of a uniform density (7 pC/m2) is distributed over the entire xy plane. A charge of uniform…

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Q: -೩ ೩- 2Q a X

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Q: In the figure a nonconducting rod of length L = 8.40 cm has charge -q = -4.41 fC uniformly…

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Q: A disk of radius 3.3 cm has a surface charge density of 5.1 µC/m2 on its upper face. What is the…

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Q: A charged rod of total length 4.4 m lies centered on the x axis as shown (the L indicated in the…

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Q: A Q = 2.1 μC point charge is located at the center of a charged hollow metal sphere with inner and…

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Q: Consider a ring of charge.  The ring is in the x-y plane and has a radius of 3.5 m.  The charge per…

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Q: In the figure a nonconducting rod of length L = 8.17 cm has charge -q = -4.34 fC uniformly…

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Q: oint P sets above an infinite line of charge 2 m in the positive z direction. The line of charge…

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Q: A thin, square, conducting plate 47.0 cm on a side lies in the xy plane. A total charge of 3.50 x…

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Q: There is a +5C charge at the center of a hollow sphere made of a perfect conductor. The hollow…

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Q: An infinite sheet charge of has a charge density of +44.81 pC/m2 and covers the entire x-y plane. A…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.