Question

An insulating spherical shell with inner radius 25.0 cm and outer radius 60.0 cm carries a...

An insulating spherical shell with inner radius 25.0 cm and outer radius 60.0 cm carries a charge of + 150.0 ?C uniformly distributed over its outer surface. Point a is at the center of the shell, point bis on the inner surface and point c is on the outer surface.

Part A

What will a voltmeter read if it is connected between a and b?
?Vab =   V  

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Part B

What will a voltmeter read if it is connected between b and c?
?Vbc =   V  

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Part C

What will a voltmeter read if it is connected between c and infinity?
?Vc? =   V  

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Part D

What will a voltmeter read if it is connected between a and c?
?Vac =   V  

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Part E

Which point is at higher potential, a or b?

Which point is at higher potential,  or ?
a is at higher potential than b
b is at higher potential than a
a and b have equal potentials

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Part F

Which point is at higher potential, b or c?

Which point is at higher potential,  or ?
b is at higher potential than c
c is at higher potential than b
b and c have equal potentials
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