My NotesO Ask Your Teacher 1. Question Details SerCP8 16.P.021 A small spherical

Question

My NotesO Ask Your Teacher 1. Question Details SerCP8 16.P.021 A small spherical object carries a charge of 3.50 nC. (Note: Assume a reference level of potential V = 0 at r =.) At what distance from the center of the object is the potential equal to the following? 200 V 100 V 50.0 V Is the spacing of the equipotentials proportional to the change in potential? O Yes. The spacing is directly proportional to the change in potential. O No. The spacing is not proportional to the change in potential O Yes. The spacing is inversely proportional to the change in potential. Need Help? Talk to a Tutor

Explanation / Answer

V = k Q / r

{ k = 9 x 10^9 and Q = 3.50 x 10^-9 C}

Putting V = 200 V :

r = 0.1575 m .......Ans

100 V :

r = 0.315 m .....Ans

50 V:

r = 0.63 m .....Ans

delta(V) = k Q [ 1/r1 - 1/r2] = (k Q ) (r2 - r1)/r1 r2

NO, spacing is not propotional.

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