The nuclei of large atoms, such as uranium, with 92 protons, can be modeled as spherically symmetric spheres of charge. The radius of the uranium nucleus is approximately 7.4×10−15m . a) What is the electric field this nucleus produces just outside its surface? Express your answer using two significant figures.   b) What magnitude of electric field does it produce at the distance of the electrons, which is about 2.0×10−10 m ? Express your answer using two significant figures.   c) The electrons can be modeled as forming a uniform shell of negative charge. What net electric field do they produce at the location of the nucleus? Express your answer using two significant figures.

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Q: A disk of radius r= 70 cm has a uniform surface charge density \( \sigma \)= 112.6 nC. Calculate the…

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Q: A long cylindrical conductor (radius = 1.0 mm) carries a charge density of 2.0 pC/m and is inside a…

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Q: 7) A charge q = 2.00 µC is placed at the origin in a region where there is already a uniform…

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Q: A sphere with a radius of 0.220 m has a uniform charge density and a total charge of 71.3 mC. What…

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Q: A non-conducting sphere with radius a = 4.0 cm is inside a conducting shell with radii b = 15.0 cm…

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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.