InterviewSolution
Saved Bookmarks
| 1. |
What is the skin depth of copper at 60 Hz frequency?(a) 8 mm(b) 8.5 mm(c) 9 mm(d) 9.5 mmThis question was addressed to me during an interview for a job.This intriguing question originated from Magnaflux Test topic in section Non Destructive Techniques of Casting-Forming-Welding II |
|
Answer» The correct option is (b) 8.5 mm |
|