if the length, number of turns and area of coil are doubled
then inductance of the coil becomes.?
Why R ph of Hv and Lv is shorted or joined together while taking vector group?
what is the purpose of taking HV test in LT panel.
What would be the size of wire used for 2 Ton of window A.C?
why in the three pin plug all 3 pins are cutted ?
What is Surge Capacitor? Why it is require in Generator Circuit Breaker,inspite of surge arrester?
why we provided electrical earthing?
how electrical earthing maintenance done in industry?
How to calculat the size of copper& aluminium wire ?
why the supply power frequency is 50hz in india? where as it is 60hz in US?
a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn
Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?
Why we oil in tranformer/
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