A-9.02 nC point charge is 4.58 mm away from a large neutral conductor. Over a very small region on the conductor closest to the point charge, the electric field from the point charge is approximately constant. What is the surface charge density (uC/m²) in that area? O -137 430 137 -56.9 56.9 O 1.97 -34.2 -430 -1.97 34.2
A-9.02 nC point charge is 4.58 mm away from a large neutral conductor. Over a very small region on the conductor closest to the point charge, the electric field from the point charge is approximately constant. What is the surface charge density (uC/m²) in that area? O -137 430 137 -56.9 56.9 O 1.97 -34.2 -430 -1.97 34.2
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Transcribed Image Text:A nonconducting sphere of radius R has a volume charge density that varies with radius as p = kr where k is a constant. How does the
magnitude of the electric field depend on r?
O E xr² for r < R and r > R
Ex ² for r < R and
Ex r2 for r > R
Ex r for r > R
O Ex r³ for r < R and
Ex³ for r < R and
Ex r²
for r > R
O Ex<r for r < R and Ex r2²
for r > R
Exr for r < R and Ex for r > R
O Ex r³ for r < R and Ex r2 for r > R
Exr for r < R and r > R
Exr2 for r < R and r > R
O Ex r² for r < R and Exr for r > R
Transcribed Image Text:A-9.02 nC point charge is 4.58 mm away from a large neutral conductor. Over a very small region on the conductor closest to the point
charge, the electric field from the point charge is approximately constant. What is the surface charge density (uC/m²) in that area?
O -137
430
137
-56.9
56.9
O 1.97
-34.2
-430
-1.97
34.2
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