What is the purpose of lighting Transformer used in Industries for Lighting illumination? Its necessary or not?

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Differences between 415v ac and 440v ac

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What do we use in Motor core laminations..???CRGO or CRNGO..and why..????

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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

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What happen if transformer neutral path get removed ?

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when meggering a 3ph,480v oil reservoir heater on a regen gas compressor, why do I get a reading to ground when meggering phase to ground? shouldn't it read opened or is there something that makes it read closed? on the same heater, when ohming, it reads open. thanx

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how to identify the cable quality and what is flame proof cable

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minimum ohm for lighting minimum ohm for Earthing

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Write down the classification of the transmission line?

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what is reactive and active power?why we need power factor correction?

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Tell me how you are ready to comply with the employment rules and regulations if your CV is considered for employment?

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what is the difference between 2-phase and 3-phase?

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