how to checking earth restence with earthtester
how to calculate power
What the difference between ac and dc inductor an capacitor
why do we use LPF wattmeter not UPF in the experiment of no load and blocked rotor test of 3phase slipring induction motor?
what must be the mf for a meter with the following conditions. line ct ratio-100/1 line pt ratio- 220kv/110v meter pt ratio- 3X63.5V meter CT ratio- -/1 A
what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.
What is the Different b\w Circuit Breaker & Isolater
Starting Time of LT & HT Motor
My meter ratio is -/5 and ct ratio is 100/5 now what will be the multiplying factor and how ?
One 200 V, 100 W bulb is connected in series with primary of a 200 V, 10 kVA transformer. If its secondary is kept open circuited, then the bulb would have (1) Full brightness (2) Poor brightness (3) A little less than full brightness (4) More than full brightness...explain
why farmers are use earthing instead of neutral for their light conec. at field.is it safe
what should be the air clearence between phase to phase, phase to earth in Medium voltage switchgear for 3.3kv,6.6kv,11kv,22kv and 33kv? Which is to be referred for this?
In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?