A point charge q = − 5.0 × 10 − 12 C is placed at the center of a spherical conducting shell of inner radius 3.5 cm and outer radius 4.0 cm. The electric field just above the surface of the conductor is directed radially outward and has magnitude 8.0 N/C. (a) What is the charge density on the inner surface of the shell? (b) What is the charge density on the outer surface of the shell? (c) What is the net charge on the conductor?
A point charge q = − 5.0 × 10 − 12 C is placed at the center of a spherical conducting shell of inner radius 3.5 cm and outer radius 4.0 cm. The electric field just above the surface of the conductor is directed radially outward and has magnitude 8.0 N/C. (a) What is the charge density on the inner surface of the shell? (b) What is the charge density on the outer surface of the shell? (c) What is the net charge on the conductor?
A point charge
q
=
−
5.0
×
10
−
12
C is placed at the center of a spherical conducting shell of inner radius 3.5 cm and outer radius 4.0 cm. The electric field just above the surface of the conductor is directed radially outward and has magnitude 8.0 N/C. (a) What is the charge density on the inner surface of the shell? (b) What is the charge density on the outer surface of the shell? (c) What is the net charge on the conductor?
A point charge q = −5.0 × 10−12 C is placed at the center of a spherical conducting shell of inner radius 3.5 cm and outer radius 4.0 cm. The electric field just above the surface of the conductor is directed radially outward andhas magnitude 8.0 N/C. (a) What is the charge density on the inner surface of the shell? (b) What is the charge density on the outer surface of the shell? (c) What is the net charge on the conductor?
A thin, square, conducting plate 54.0 cm on a side lies in the xy plane. A total charge of 3.20 x 10-8 C is placed on the plate. You may assume the charge density is uniform.
(a) Find the charge density on each face of the plate.
C/m²
(b) Find the electric field just above the plate.
magnitude
N/C
direction upward
◊
(c) Find the electric field just below the plate.
magnitude
N/C
direction downward ↑
A point charge q = -5.5x 10 C is placed at the center of a spherical conducting shell of inner radius 2.8 cm and outer radius 3.3 cm. The electric field just above the surface of the conductor is
directed radially outward and has magnitude 9.0 N/C.
(a) What is the charge density (in C/m2) on the inner surface of the shell?
C/m²
(b) What is the charge density (in C/m2) on the outer surface of the shell?
C/m²
(c) What is the net charge (in C) on the conductor?
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