1.

If the diameter of a wire is doubled, the current carrying capacity of the wire is ___________(a) Half(b) Twice(c) Four times(d) One-fourthThis question was addressed to me in an online interview.Asked question is from Series-Parallel Interconnection of Two Port Network topic in portion Two-Port Networks of Network Theory

Answer»

The correct CHOICE is (c) Four times

To elaborate: Since diameter is DOUBLED, area of cross-section becomes four times. Current carrying CAPACITY is proportional to area of cross-section.



Discussion

No Comment Found

Related InterviewSolutions