Two concentric conducting spherical shells are in electrostatic equilibrium.The inner shell, with inner radius a1 and outer radius a2, has a charge of -2Q. The outer shell, with has an inner radius of b1 and outer radius b2, has a charge of -4Q. Draw a physicsdiagramoftheproblem. Find the charge on the inner surface of the inner shell,and the outer surface of the inner shell. Find the charge on the inner surface of the outer shell, and the outer surface of the outer shell.

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Two concentric conducting spherical shells are in electrostatic equilibrium.The inner shell, with inner radius a1 and outer radius a2, has a charge of -2Q. The outer shell, with has an inner radius of b1 and outer radius b2, has a charge of -4Q.

Draw a physicsdiagramoftheproblem.

Find the charge on the inner surface of the inner shell,and the

outer surface of the inner shell.

Find the charge on the inner surface of the outer shell, and the

outer surface of the outer shell.

Draw a second diagram of the shells to show the direction of

electric field lines in all regions: inside the shells, outside the shells, between the shells. Are there any regions where the electric field is zero?

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