A conducting spherical shell (see the figure) has inner radius = 10.0 cm, outer

Question

A conducting spherical shell (see the figure) has inner radius = 10.0 cm, outer radius = 15.0 cm, and has a+3.0?C point charge at the center. A charge of?3.0?C is put on the conductor.(Figure 1)

Part A

Where on the conductor does the?3.0?C end up?

Where on the conductor does the end up?

Part B

What is the electric field just inside the shell?

Express your answer to two significant figures and include the appropriate units.

value , unit

Part C

What is the electric field just outside the shell?

Express your answer to two significant figures and include the appropriate units.

Explanation / Answer

here,

inner radius , ri = 10 cm

inner radius , ri = 0.1 m

outer radius , ro = 15.0 cm

outer radius , ro = 0.15 m

(A)

as the outer shell is conducting ,the charge on the side is equal and opposite

the conductor does end up (a) on the inner surface of the shell

(B)

the electric feild just inside the shell , E = k * Q / ri^2

E = 9 * 10^9 * 3 * 10^-6 /(0.1)^2

E = 2.7 * 10^6 N/C

the electric feild just inside the shell is 2.7 * 10^6 N/C

(C)

the electric feild just outside the shell, E = K * Q / ro^2

E = K (3 - 3) / r0^2

E = 0

the electric feild just outside the shell is 0 N/C

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