7. A conducting sphere has a net charge +70 µC is concentric with a thick-walled conducting spherical shell with net charge -200 μC. The charge on the inner and outer surface of the thick shell are: a) Qinner = -130 μC and Qouter = -200 μC b) Qinner = 0 and Qouter = -200 μC c) Qinner = -70 μC and Qouter = -270 μC d) Qinner = +70 μC and Qouter = -130 μC e) Qinner = -70 μC and Qouter = -130 μC a) E = 0 b) E= c) E= Sa 20a Eor² Souter 09² Eor² + 70 μC 8. The electric field at all points on a closed spherical surface is 226 N/C outwards. If the area of the surface is 4.2 m², what is the net charge (in nC) enclosed inside the surface? a) 4.00 b) 8.40 c) 12.4 d) 14.4 e) 16.0 Sinner - 200 μC 9. Two conducting thin concentric shells, charged with uniform surface densities to and -o respectively. The inner shell of radius (a) and the outer of (2a). The magnitude of the electric field E at point (A) a distance (r) from the center is: Page 2/4 +6 A TE 2a

7. A conducting sphere has a net charge +70 µC is concentric with a thick-walled conducting spherical shell with net charge -200 μC. The charge on the inner and outer surface of the thick shell are: a) Qinner = -130 μC and Qouter = -200 μC b) Qinner = 0 and Qouter = -200 μC c) Qinner = -70 μC and Qouter = -270 μC d) Qinner = +70 μC and Qouter = -130 μC e) Qinner = -70 μC and Qouter = -130 μC a) E = 0 b) E= c) E= Sa 20a Eor² Souter 09² Eor² + 70 μC 8. The electric field at all points on a closed spherical surface is 226 N/C outwards. If the area of the surface is 4.2 m², what is the net charge (in nC) enclosed inside the surface? a) 4.00 b) 8.40 c) 12.4 d) 14.4 e) 16.0 Sinner - 200 μC 9. Two conducting thin concentric shells, charged with uniform surface densities to and -o respectively. The inner shell of radius (a) and the outer of (2a). The magnitude of the electric field E at point (A) a distance (r) from the center is: Page 2/4 +6 A TE 2a

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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.

Question

7. A conducting sphere has a net charge +70 µC is concentric with a thick-walled conducting spherical shell with net
charge -200 μC. The charge on the inner and outer surface of the thick shell are:
a) Qinner = -130 μC and Qouter = -200 μC
b) Qinner = 0 and Qouter = -200 μC
c) Qinner = -70 μC and Qouter = -270 μC
d) Qinner = +70 μC and Qouter = -130 μC
e) Qinner = -70 μC and Qouter = -130 μC
a) 4.00
b) 8.40
c) 12.4
d) 14.4
e) 16.0
a) E = 0
b) E=
c) E=
8. The electric field at all points on a closed spherical surface is 226 N/C outwards. If the area of the surface is 4.2 m²,
what is the net charge (in nC) enclosed inside the surface?
d) E=
e) E=
Souter
τσα
Eorz
σαζ
Eor2
2σα
Eor
+ 70 μC
9. Two conducting thin concentric shells, charged with uniform surface densities to and -o respectively. The inner
shell of radius (a) and the outer of (2a). The magnitude of the electric field E at point (A) a distance (1) from the
center is:
a(4nа²)
p2
Sinner
-0
- 200 μC
to
Page 2/4
At
A
→E
2a

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