Answer / chandrahasan

All blubs are desinged with their peak value. Hence when
voltage attain above the peak value it will burn. If that
blub will withstand more than one phase, its equipments also
made with that requirment.

Answer / ankush

generally, if we r talking about the ac 230v bulbs, it wil
not glow.
it wil get fuse

how the global warming take place?

1 Answers  

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Why 30°phase shift occur in star-delta transformer between primary and secondary?

1 Answers  

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If we increase frequency in transmission line in lieu of voltage what will happen?

1 Answers  

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What are the usege & different between UPS & batteries with charging system in in Substation?( UPS 120V AC & battery charger is 120v DC)

1 Answers  

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What is the formula to calculate the KVAR value of a capacitor, while value of capcitor in farads is known.

1 Answers  

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how to calculate short circuit calculation of the transformer by usuing the percentage impedence? formula needed.

2 Answers   L&T,

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why field rhoestat is kept in minimum position while armature rheostat at maximun position?

3 Answers  

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what is the deference between watt and KVA

3 Answers   IAF,

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how to find the multiplication factor for digital energy meter and analog energy meter

0 Answers  

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sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

0 Answers   HPCL,

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what need of NGR(neutral grounding registor)? What it works?

2 Answers  

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What is the universal motor?

0 Answers  

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