Physics, asked by imrankhaan1996, 6 hours ago

The electric field in a region is given as È = kr29. For a sphere of radius 'a', the total charge within it will be

Answers

Answered by ashasharma7145
0

Answer:

ϕ=∮

E

.

ds

E

=

x

2

+y

2

a(x

i

^

+y

j

^

)

ϕ=∮

x

2

+y

2

a(x

i

^

+y

j

^

)

.

x

2

+y

2

+z

2

(x

i

^

+y

j

^

+k

z

^

)

ds

ϕ

net

=a∫

x

2

+y

2

x

2

+y

2

x

2

+y

2

+z

2

1

ds

ϕ

net

=

R

a

∫ds=

R

a

4πR

2

ϕ

net

=4πRa⇒

ε

0

q

=4πRa

q=4πε

0

Ra

Explanation:

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