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.

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what material is used in capaciter

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What is the starting current of a motor?

3 Answers  

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How does numerical relay work?

1 Answers  

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Why oil preferred over the air as a cooling medium for high rated transformer?

1 Answers  

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in traction which type of supply are used

15 Answers   APGenco, Construction,

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working principle of oil startar

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What is meant by line losses, how do you prevent the losses?

3 Answers  

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all the technical question with answers pleas send your email id ramar_eee@yahoo.com

0 Answers   RRB,

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WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??

0 Answers   Teil,

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How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter

2 Answers   GRB,

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what is power factor? is it good or bad for a system? what will happen if power factor increase or decrease?

4 Answers   Bhel,

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