Consider two concentric conducting spherical shells with inner and outer radii a, b and c, d as shown in the figure. Both the shells are given Q amount of positive charges. 7. The electric field in different regions are : la) Ē = 0 for r d CAREER ENDEAVOUR (b) Ē =- -î for rd (c) =- î for r
Consider two concentric conducting spherical shells with inner and outer radii a, b and c, d as shown in the figure. Both the shells are given Q amount of positive charges. 7. The electric field in different regions are : la) Ē = 0 for r d CAREER ENDEAVOUR (b) Ē =- -î for rd (c) =- î for r
Chapter7: Electric Potential
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![Common data for Q. 7 and Q. 8.
Consider two concentric conducting spherical shells with inner and outer radii a, b and c, d as shown in
the figure. Both the shells are given Q amount of positive charges.
7.
The electric field in different regions are :
la) Ē = 0 for r<a; =-
for a <r<b: E=0 for b<r<c; E
4 TE,r
-f for r>d
CAREER ENDEAVOUR
-f for r<a; E=0 for ar<bar4TEr
for ber<e:E=
zî for r<d
(b) Ē =–
4περ
-î for r< a; E = 0 for a <r<b;
‚Ē = 0 b<r<c;Ë =
2Q
-î for r>d
(c) =-
4περ
(d) E = 0 for r>a; = 0 for a <r<b; =-
Q
zî for b<r<c; =.
î for r>d
4TE,r?
2Q
8.
In order to have equal surface charge densities on the outer surfaces of both the shells, the following
conditions should be satisfied
(a) d = 4b and c = 2a
(b) d= 2b and e = VZa
(c) d = /2b and c>a
(d) d>b and c =v](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe3cd21da-8940-4bf0-bca7-dcdc1d29bc7a%2F8f7dab2b-831e-40b8-b998-8b4532347b5d%2Flan1ty_processed.png&w=3840&q=75)
Transcribed Image Text:Common data for Q. 7 and Q. 8.
Consider two concentric conducting spherical shells with inner and outer radii a, b and c, d as shown in
the figure. Both the shells are given Q amount of positive charges.
7.
The electric field in different regions are :
la) Ē = 0 for r<a; =-
for a <r<b: E=0 for b<r<c; E
4 TE,r
-f for r>d
CAREER ENDEAVOUR
-f for r<a; E=0 for ar<bar4TEr
for ber<e:E=
zî for r<d
(b) Ē =–
4περ
-î for r< a; E = 0 for a <r<b;
‚Ē = 0 b<r<c;Ë =
2Q
-î for r>d
(c) =-
4περ
(d) E = 0 for r>a; = 0 for a <r<b; =-
Q
zî for b<r<c; =.
î for r>d
4TE,r?
2Q
8.
In order to have equal surface charge densities on the outer surfaces of both the shells, the following
conditions should be satisfied
(a) d = 4b and c = 2a
(b) d= 2b and e = VZa
(c) d = /2b and c>a
(d) d>b and c =v
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