Q. 44.7( 6 Votes )
If electric switc
1) We Know that thermoplastic is kinds of plastics that have a low melting point.
2) So in case of voltage fluctuations, the current in the wire increases due to which temperature increases.
3) The heat is enough to melt down the electrical switches and after some time upon being cooled the switch will assume a different shape which is undesirable.
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