an electric bulb or lamp can operate on ac and dc, if yes then why

5 Answers  

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how does the thyistor work in dc drive?

0 Answers  

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Define non-touching loop.

0 Answers  

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Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

0 Answers  

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why commutator is attached with only dc macine

8 Answers   ONGC,

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what is need of air gap in expansion section in busbar?

3 Answers  

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why the energy meter disc rotates anticlockwise while reading

1 Answers   KSEB,

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what is difference between speed mode and torque mode in motor?? explain in simple words please.

0 Answers   Toyota,

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if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

0 Answers   BSNL,

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Why are the laminations insulated from each other?

0 Answers  

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When capacitor bank connect on line. It's draw some current but it's current not increase of main line ammeter. Why?

1 Answers   MCL, Star Wire,

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sir, i want to know the calculation for find rated current for cable sizes.(both copper & aluminium) with examole. please sir for example: 35sq.mm al.cable is withstands for how many amps? is suitable for 45kw motor?

5 Answers   L&T,

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