try this....capacitance

An isolated conducting sphere of radius R=6.85cm is given a charge of 1.25nC. What is is the radius R0 of an imaginary spherical surface such that half of the stored potential energy lies within it ?

8 Answers

1
Sharon Amhabjiefbje Sidhusky ·

Yes, Always charge is conserved. And E is proportional to 1/C.

64
Lokesh Verma ·

Very good question. But try to elaborate a bit.

64
Lokesh Verma ·

Very good question. But try to elaborate a bit.

64
Lokesh Verma ·

Testing another answer.Testing another answer.Testing another answer.Testing another answer.

64
Lokesh Verma ·

Very good question. But try to elaborate a bit.

9
Celestine preetham ·

E ~ 1/C ~ 1/R - 1/R°

now

1/R - 1/R° = 1/2R

R° = 2R

1
Nitin Ramnath ·

i dint understand the solution. can u explain please?

9
Celestine preetham ·

E= Q2/2C

Q is conserved

so E is proportional to 1/C

also u need to know formula for C of spherical surfaces

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