The charge density of an insulating sphere of radius R is given as ρ(r

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The charge density of an insulating sphere of radius R is given as ρ(r) = 3 Q4 R2 r. The insulation sphere is placed at the center of a conducting spherical shell of inner Radius of 2R and outer radius 3R which has the total charge of +2Q. Which of the followings is the potential difference between the points rA = 115 R and rB = 52 R? a) kQ2 R b) k2 QR c) k2 Q5 R d) kQ5 R e) 0

The charge density of an insulating sphere of radius R is given as ρ(r) = 3 Q4 R2 r. The insulation sphere is placed at the center of a conducting spherical shell of inner Radius of 2R and outer radius 3R which has the total charge of +2Q. Which of the followings is the potential difference between the points rA = 115 R and rB = 52 R? a) kQ2 R b) k2 QR c) k2 Q5 R d) kQ5 R e) 0

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The charge density of an insulating sphere of radius

R

is given as

ρ (r) = \frac{3 Q}{4 R^{2} r}

. The insulation sphere is placed at the center of a conducting spherical shell of inner Radius of

2 R

and outer radius

3 R

which has the total charge of

+ 2 Q

. Which of the followings is the potential difference between the points

r_{A} = \frac{11}{5} R

and

r_{B} = \frac{5}{2} R

? a)

k \frac{Q}{2 R}

b)

k \frac{2 Q}{R}

c)

k \frac{2 Q}{5 R}

d)

k \frac{Q}{5 R}

e) 0

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