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electronics and communication engineering materials and components
1. Electrical contact materials used in switches, brushes, relay must possess
(A): high thermal conductivity and high melting point
(B): high thermal conductivity and low melting point
(C): low thermal conductivity and high melting point
(D): low thermal conductivity and low melting point
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Comments
By: guest on 02 Jun 2017 01.00 am
Heat generated at contact should be dissipated quickly and contact should not melt.
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