Answer:
Explanation:
Given that
Emissivity of surfaces(∈) = 1
We know that heat transfer between two surfaces due to radiation ,when both surfaces are black bodies
So now by putting the values
So rate of heat transfer per unit area
(b) Lorna then built a different circuit as shown below. How could Lorna get both bulbs to light at the same time in this circui
t?
1 answer:
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