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The performance of heat sink does not depend upon ___________

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The performance of heat sink does not depend upon ___________

(a) Choice of material

(b) Protrusion design

(c) Surface treatment

(d) None of the mentioned

The question was asked by my school principal while I was bunking the class.

The above asked question is from Heat Sink for Power Transistor-2 in portion Power Amplifier of Analog Circuits

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Correct option is (d) None of the mentioned

Easiest explanation: The performance of the heat sink depends on the factors like the choice of material, protrusion design, surface treatment and air velocity. The material is preferred to have high conductivity and heat absorption. The shape and design also effect heat flow as well as coolant flow in the sink.

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