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A solid conducting sphere of radius a having a charge q is surrounded by a concentric conducting spherical shell of inner radius `2a` and outer radius `3a` as shown in figure. Find the amount of heat porduced when switch is closed `(k=1/(4piepsilon_0))`

A

`(5)/(12)(KQ^(2))/(a)`

B

`(11)/(12)(KQ^(2))/(a)`

C

`(KQ^(2))/(2a)`

D

none

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The correct Answer is:
A
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AAKASH SERIES-ELECTROSTATICS-ADDITIONAL PRACTICE EXERCISE (LEVEL -II LECTURE SHEET (ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTIONS)
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