why we are testing cables with DC supply not with AC supply?
Answer Posted / deepak tyagi
a.c is non-uniformly distributed on the surface of the
conductor.this means that skin effect comes into play.this
mean that actual resistance increse in case of a.c, while
the d.c is uniformly distributed on surface of the
conductor.
| Is This Answer Correct ? | 38 Yes | 14 No |
Post New Answer View All Answers
What is a dc motor?
Why have to use copper cable for local isolator to motor ?
Which motor will you choose which can operate in both lagging as well as leading power factors?
which type of stability limit is higher,steady state or transient? why?
why they were using TRIAC instead relay in some controllers and what is the advantages.
What type of pipe material G.I or M.S is used for sprinkler system?
How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts
What do you mean by an instrument transformer?
What is the diffrence (Technical & Construction ) between CBCT & Normal CT?
What is the difference between DOL starter and star delta starter
What is the important precuations need tocarried out while working with Electrolite in Battery PM?
What happens if i apply 500V to 440V rotary Switch ?
Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?
what is the purpose of high speed earth switch in gas insulated substat
how to apply b license to c license in tneb