when 40 watts and 60 watts bulb is connected in series, which bulb glows brightly ?

5 Answers  

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What is the possible cause for failure of lightning arrestors in outdoor substation under normal condition

0 Answers  

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what is the use of Reactive power in power system?

3 Answers  

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in delta connection, why motor rotate in high speed compared to star connection?

2 Answers  

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what is rotatng magnetic field in case of three or multiple phase alternating current machines???

1 Answers   NHPC,

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following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?

0 Answers  

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if we use a normal natural thundering; than approx how much amount of electricity we generate?

1 Answers   Visa Steel,

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why ac current do not save

3 Answers  

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what is first pole to clear factor ?

3 Answers  

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current and voltage equations for a star connected load fed from a delta connected load.

1 Answers  

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defination of transistor controlled series capacitor

0 Answers  

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Can someone tell me how to calculate the size of a power cable? What are the factors involved in cable sizing?

5 Answers  

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