Emissive power difference of black bodies & voltage in electrical system - Heat Transfer

Q.  Which parameter in the radiant heat exchange between two black bodies is analogous to the voltage in electrical system?
- Published on 12 Aug 15

a. Difference in areas of the two black bodies (A1– A2)
b. Difference in two shape factors (F12 – F21)
c. Difference in emissive powers of the two black bodies (Eb1 – Eb2)
d. none of the above

ANSWER: Difference in emissive powers of the two black bodies (Eb1 – Eb2)

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