Identify the correct boundary condition for a hollow sphere with inside surface

Question

Identify the correct boundary condition for a hollow sphere with inside surface insulated.

Options:

A . At r = r 1, the conduction region is perfectly insulated

B . At r = r 1, the conduction region is partially insulated

C . Heat flow is infinity

D . Heat flow is negative

Answer: Option A
Answer: (a).At r = r 1, the conduction region is perfectly insulated

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