What is the physical significant of power factor?
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How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........
What are the two basic types of transformers?
what is the electricity
what are the method of testing of transformer??
what is diffential relay? testing proceure?and transformer reach Over load thet time differencilal relay operate or not ?
How many double suspension hardware fittings are required on a double circuit transmission tower?
What is the difference between SSR drive& AC drive?
For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?
When we use a multimeter, while checking continuity of a closed circuit , what is happening inside multimeter, how it is working to produce a beep wheather it is closed or open.. is there any internaly voltage/current source inside multimeter?
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what is difference between ac voltage and ac current
what is the diff. btwn. electronic regulator and ordinary rheostat regulator for fans?
What is reverse power relay?