Question

Surface area
of spherical Shell= 4pi (R²- r^2)
where R= external radius, r= internal
radius:
state true or false​

Answer 1

Answer:

For a thin uniformly charged spherical shell, the field points outside the shell at a distance x from the centre is

E=

4πε

0

1

x

2

Q

If the radius of the sphere is R,Q=σ4πR

2

∴E=

4πε

0

1

x

2

σ4πR

2

=

ε

0

x

2

σR

2

This is inversely proportional to square of the distance from the centre. It is as if the whole charge is concentrated at the centre

Step-by-step explanation:

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