why does spark appears when we swith on the light

1 Answers  

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what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem

0 Answers  

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What is meant by harmonic distortion?

0 Answers  

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EXPLAIN WHAT BTU STANDS FOR(AIRCONS)

2 Answers  

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What is the current carrying capacity of 1.5 rm and 2.5 rm cable

1 Answers   RFL,

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

0 Answers   HAL,

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why spark is produced in mosquito bat?and what are the ways to reduce it?

2 Answers   Godrej,

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How to differentiate 220 Kv & 132 Kv line transmission tower if there are no specifications given on towers?

3 Answers   Karam, Power Grid,

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explain about the electrification in the Indian Railways? ie., how the power is taken and used to drive the train? explain with the block diagram??

1 Answers  

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sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

0 Answers   UltraTech,

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What are the advantages and disadvantages of closed-loop control system?

0 Answers  

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What is transmission line potential gradiant?

1 Answers  

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