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 to ensure that relay contacts can conduct current efficiently without excessive heating or voltage drop. Low contact resistance, cleanliness, smoothness, and appropriate size and shape all contribute to optimal performance.

In Order That Current Should Flow Without Causing Excessive Heating