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Question

Name a metal among the following having highest heat conductivity .
Silver
Copper
Aluminium
Brass

A

Aluminium

B

Silver

C

Copper

D

Brass

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Solution

Verified by Toppr

Following are the thermal conductivities of the following metals and alloys: ( in $w K / m$ )
$S i l v e r - 430 C o p p e r - 400 A l u m i n i u m - 235 B r a s s - 109$
Order of thermal (heat) conductivity:
$S i l v e r > C o p p e r > A l u m i n i u m > B r a s s$
So, Silver has highest thermal conductivity

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