53. There are two concentric conducting spherical shells of radius R and 2R respectively. Inner shell is given charge +Q and outer shell is neutral. If both shells are connected by conducting wire, then heat loss is?

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Two concentric spherical conducting shells of radii R and 2R carry charges Q and 2Q respectively. Change in electric potential on the outer shell when both are connected by a conducting wire is $k = \frac{1}{4 π ϵ_{0}}$

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R

and

2 R

are shown in figure. A charge

+ Q

is given to shell

A

and

- 4 Q

is given to shell

B

. Now shell

A

and

B

are connected by a thin conducting wire, then the final charge on the sphere

B

will be :

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