If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

0 Answers  

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What are the layers of protection over armoured cables?

3 Answers   Accenture, IOCL,

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I have running 4 generator in paralel.All generators Voltages is same(470 V),KW also same (100 KW) but only No2 generator Amper is high than another generators. DG No:1,3,4 470V,100KW, 150 A DG No:2 470V,100KW,400 A

4 Answers  

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explain the functions of main isolation switches

0 Answers   Zesa,

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who is ohm's and his law ?

1 Answers  

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why we use choke in tubelights nad other lighting fixer

1 Answers  

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what is the MNA in case of d.c. machin? whaty is the importance of it? hoe it affect the brush position?

2 Answers   TATA,

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What is the different between Earthing & grounding?

1 Answers  

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what is the type of starter used in tube light?

2 Answers  

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what is the difference between STAR and DELTA connection and application wise how it can be utilizedd ???

1 Answers  

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which type of material is used to transformer laminated core?

6 Answers  

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In winding design, the angle of chording (β) is nearly equal to A 45 degree B 60 degree C 30 degree D 90 degree

1 Answers   Reliance,

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