In order that current should flow without causing excessive heating or voltage drop, the relay contacts should
A)have low contact resistance
B)be clean and smooth
C)be of sufficient size and proper shape
D)have all above properties

Question

Quizplus · Accepted Answer

All the mentioned properties are important for relay contacts to ensure efficient current flow without excessive heating or voltage drop. Low contact resistance minimizes energy loss, clean and smooth surfaces ensure good contact, and sufficient size and proper shape help handle the current load effectively.

In Order That Current Should Flow Without Causing Excessive Heating