why tungsten is used in incandescent lamp instead of nichrome though nichrome has high melting point

2 Answers  

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either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?

0 Answers  

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what is saturation? what role it plays in operation of ct's,motors etc and how its affects the behaviour of the same.

1 Answers  

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HOW TO BUILD THE SINGLE PHASE TO THREE PHASE CONVERTER? CAN PROVIDE ME CIRCUIT..THANKS

0 Answers  

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why the frequency in india is 50 50HZ why we not select the o ther frequncy range?

6 Answers  

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what is the working of hydrent system.

2 Answers  

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What value(high/low) of diversity factor is desired in power system and why? How such value is achieved?

1 Answers  

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Why back emf used for a dc motor? Highlight its significance.

0 Answers  

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In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

0 Answers   Saint Gobain,

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we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?

0 Answers   Siemens,

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what is soft starter?working principle?where it can use?

3 Answers  

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What is thyristor?

13 Answers  

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