If two hack saw blades, seperated by 1mm thick paper,are
connected across 230volts, and immersed in water,then they
start getting heat. This is fact,i dont know how they get
heated.Blades are not directly connected together.
Please if anybody knows the fact ,revert back to me

Answer Posted / k.prakashchandra

The water in between acts as a resistance /heater coil

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

898


which is the best institute for PLC,SCADA,DCS in hyderabad

1895


Why star delta starter is preferred with induction motor?

638


What if the difference beween internal and exrteranal LBB?

1216


Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

1707






i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result

1555


hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

1441


What the main causes of transient interruptions on Over-Head Distribution Lines?

1591


In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases

1620


trasnfarmaer core make

1535


WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

1465


Maintenance of transformer???

1812


what reason of line current and phase current in star connection and line current and phase current not equal in delta connection?

1577


How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

1722


how can we say that stator magnetic field rotates with synchronous speed?can we derive?

1310