CBSE Class 7 Answered
Why do we not make use of copper or silver as heating coils?
Asked by krishnparasar | 06 Apr, 2014, 05:13: PM
Expert Answer
Copper has low melting point.
Silver is very costly.
Hence, metals having high melting pt and relatively low cost are used as heating coils.
Silver is very costly.
Hence, metals having high melting pt and relatively low cost are used as heating coils.
Answered by | 23 Apr, 2014, 10:36: AM
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