which of the folowing has negative temperature coefficient of resistance? a. mercury b. copper c. lead d. carbon

2 Answers  

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we can use airconditioner for cooling the winding of transformer ,if not why?

3 Answers  

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Why is better to have a minimum ceiling voltage of 250% than 160%?

0 Answers  

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why we using capacitor in single phase motor ?

14 Answers  

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how much power consumed by 1.5 ton capacity split A.C in 1 hour

2 Answers  

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If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these

0 Answers  

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what do you mean by star connection?

4 Answers   Denver, Satyam,

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how many electricity poles are there and what are the names and their sizes.

0 Answers  

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what is surge impedence loading

2 Answers   NHPC,

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what is kVA

6 Answers   TATA, Tata Motors,

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what is the use of neutral?

14 Answers   IOCL,

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A 3PH MOTOR RUNNING IN NORMAL CONDITION AND ITS AMPERE ALSO UNDER ITS FULL LOAD CURRENT,ITS CABLE RATINGS ALSO HIGER THN ITS CAPACITY,BUT ITS CABLE GETTING ABNORMAL HEAT(NOT TOO HOT)WHY ITS GETTING HOT LIK THIS?

5 Answers  

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