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 is main purpose of chock coil and starter in florescent tube ?

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What is grid collapse? what is the reason for it?

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What is a pulse transformer?? Can it be called as a dc transformer??

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what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

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3.The slip of an IM UNDER FL condition is about.....

1 Answers   SSC,

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what is wave trap? And how it works?

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hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly

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how do i calc busbar size for a rated current?

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what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.

0 Answers   Ahsanullah University of Science and Technology,

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what is the role of reactive powerin transmission and distribution?

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why so voltage is same in parallel circuits and current is same in series ckt?

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