If a transformer primary winding operates at 240v, the secondary at 120v and the load is 1500w & the transformer is rated at 92% efficient, what's the current flowing through the primary winding of the transformer? What is the formula for finding this?

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low voltage distribution is done by a)3 phase 3 wire b)3 phase 4 wire c)single phase

3 Answers  

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what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

0 Answers   Faurecia,

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Why resistance is not measure in running conditions of motor

1 Answers   Falcon,

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how much kn lightning arrestor is used in 11kv line

8 Answers   Power Grid,

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Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

0 Answers  

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3phase lt motor winding how to checking with megger

1 Answers  

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what is the disadvantage of lagging power factor & why ?

2 Answers  

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what is field flash

4 Answers   Bhel,

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Hi friends. is it possible that SCADA System through RTUs can connect Via PLCC Communication carriers ? thanks

1 Answers  

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One amps in HT is equal to how manys amps in LT

5 Answers  

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how a.c. genarator control power factor when its conected to grid supply by incrising or decresing excitation voltage.

1 Answers  

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