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A cylindrical shell is very long and insulated. It has radius 6.20 cm and carries linear...

A cylindrical shell is very long and insulated. It has radius 6.20 cm and carries linear charge density 8.50 μC/m and charges are uniformly distributed over its surface.

a) If a voltmeter were connected between a point on the surface and a point 5.00 cm above this surface what would it read?, and DV= ?

b) If a voltmeter were connected between a point on the surface and a point 1.00 cm from the central axis of the cylinder, what would it read?

c) Based on your answer in Part B, explain why?

A- Because the electric potential varies with 1/r.

B- Because the electric potential difference on the surface is zero.

C- Because between the center and surface the electric potential is constant.

D- Because the electric potential depends on the linear charge density.

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