It is a wedge because of the ramp thingy
<span>An example of the deregulation of a government regulated natural monopoly is where the new ;aw allows consumers to be able to choose between the electricity providers which is the first choice because a deregulation of a government regulated natural monopoly is a way of the rules of having to be remove or reduced when tackling or making use of the government regulated natural monopoly.</span>
Answer:
Given that
D= 4 mm
K = 160 W/m-K
h=h = 220 W/m²-K
ηf = 0.65
We know that

For circular fin


m = 37.08


By solving above equation we get
L= 36.18 mm
The effectiveness for circular fin given as


ε = 23.52