The Biot number during a heat transfer process between a sphere and its surroundings is determined to be 0.02. Would you use lumped system analysis or the transient temperature charts when determining the midpoint temperature of the sphere? Why?

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The Biot number during a heat transfer process between
a sphere and its surroundings is determined to be 0.02. Would
you use lumped system analysis or the transient temperature
charts when determining the midpoint temperature of the sphere?
Why?

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