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An infinitely long conducting cylinder of radius 2 cm has a linear charge density +3 μC/m...

An infinitely long conducting cylinder of radius 2 cm has a linear charge density +3 μC/m is surrounded by an insulating shell of inner radius 8 cm and outer radius 12 cm. The insulating shell has a net linear charge density of +3 μC/m which may be assumed to be uniformly distributed through its volume

What is the electric potential difference (ΔV) between 12 cm and 15 cm?

What is the electric potential difference (ΔV) between 8 cm and 12 cm?

What is the electric potential difference (ΔV) between 1 cm and 5 cm?

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