Answer / anil kamat

for high rate of heat transfer and closed enclosure parts ,
copper would be best suited for reliability, heat transfer
and slight high cost than alluminium but fo parts where the
heat transfer rate is low and the parts have sufficient
space for heat to dissipate , alluminium is suitable.

Silver can also be used but it would make it a costly
proposition.

Answer / hardik

copper

Answer / kunal

copper has very high electrical and heat conductivity

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