Why is the earth pin in a 3-pin plug the longest and the
thickest?
Answer Posted / mukesh jangra
Because when it insert into the socket first of all it
grounded the ckt or equipment so that third pin of 3-pin
plug is longest.Due to this it avoid from shock to person
& give safety.
The reason of thickness of 3rd pin is low resistance.
Because area depends upon length & thickness.If aera is
large means resistance of that body is less.So due to low
resistance the thickness of 3rd pin is large other than.
| Is This Answer Correct ? | 14 Yes | 1 No |
Post New Answer View All Answers
how to read idmt curva
What is safety of Ht panel
direction of tarbine& genrator
How isolater function when installed inelectrical 440V wiring
how wecalculate breaking capcity of acb mcb mccb .explain with example
our industries ht line so power fluctation(once drop of power please rectify causes
What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?
what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel
A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?
for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
Working of microwave oven?
hi, i finished b.tech eee in 2008, im worked in dg sets mfg company , now i left job in 6months back, now again i want get job core side, how can i get? is there any couses we have learn to get better oppurtunity? /
what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please
what is difference between isolation and ultra isolation transformer?, what is the method of testing ?
In ACS 1000 drive we are using 12 pulse converter,why don't use 3 pulse converter.