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InterviewSolution
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Heat sinks are provided with peripheral fins to ___________(a) Provide good appearance(b) Increase heat absorption(c) Increase surface area of heat dissipation(d) Provide material stabilityThis question was addressed to me in exam.I'd like to ask this question from Heat Sink for Power Transistor-2 topic in division Power Amplifier of Analog Circuits |
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Answer» RIGHT choice is (c) INCREASE SURFACE area of HEAT dissipation To elaborate: Heat sinks are provided with PERIPHERAL fins to increase surface area of heat conduction. Increase in dissipation also increases absorption but more correct option is “Increase surface area of heat dissipation”. |
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