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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we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

1 Answers  

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What are the advantage of free wheeling diode in a full wave rectifier?

0 Answers  

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What is different between Circuit breaker and Isolater?

0 Answers  

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WHAT IS THE DIFFERENCE BETWEEN VOLTage and potential diff

5 Answers  

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why power factor occur only inductive load not in resistive ?

8 Answers  

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how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)

0 Answers  

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What current can be carried by 25 sqmm copper cable safely?

6 Answers   Bharti,

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Single line diagrams for star to delta and DOL starters.

0 Answers  

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How are calculated the aluminium busbar cross section area?

2 Answers  

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How check electrical motor winding.

4 Answers   DRJ ARDE,

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Where is the center of magnetic field in alternator

1 Answers   GMR, Siemens,

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