Answer / archie

in single phase only one live wire and 1 neutral wire present

but in 3 phase
3 live and 1 neutral wihere is present
and they are noted as RBY and each having phase sift of 120 degree

Answer / lovekesh

in single phase the line voltage will be 230 or 240. but in
3 phase it will be 440 or 415...

Answer / mahammad

the supply from main supply

Suppose in market 4n27 is not easily available so which opto isolator can I use at the place of this? What is 4n27

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what is the difference between dielectric and insulator?

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what are radio collars?

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At what frequency does the IF was fixed?

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For how much time F-1 vissa is valid?

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State the differences between fir and iir filters?

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What is Biasing?

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did signal to noise ratio have block diagram

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FULL FORM OF SCR

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What is the use of ranging?

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what is a lagging current

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why do you want to join in tata consultancy services?

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