what is the frequency standard with tolerance level for India?
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DC transmission
As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.
The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power
3ph motor running with unequal kw and different pf what are the reasons
how you taken aotitude test
what causes contact chatter when there is no demand on the air conditioning unit?
How do I calculate/select Droop CT ratio for various capacity of generators?
What are the transformer losses?
how to calculate the earth fault current
In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.
why is using sensor?what is differece between photoelectric and proxmitty?
what will happen if ac and dc supplies given
Why in ESP Positive earthed
Is it true that in the 3 phase transformer, the limbs of the core are at 45 dgrees to each other. if true, why?
Why can't we parallel Voltage transformer secondary circuits?