In pakistan appliances work on 220v at 50hz and in us appliances work on 110v at 60hz what is basic theory to explain it

1 Answers   SNGPL,

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why using eleven's multiple for substations?

2 Answers  

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what is use of starter motor in DG ?

2 Answers  

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Abb 11kv how it is closing automatically when the cb is racking in and rack out when it reaching test position

1 Answers  

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what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights

0 Answers  

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can we run three phase motor by single phase? and what happens if we do this

8 Answers   Kirloskar,

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why transformers not work at d.c.-

3 Answers  

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A circuit breaker on detecting fault will a. Open b. Close c. Open and trigger the alarm

2 Answers  

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How to calculate the multiplying factor for energy meter with ct ratio given

0 Answers  

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Why rotating machines are not allowed to run near critical speed region?

2 Answers  

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Lt motor sfu flashing reasons?

0 Answers   NDFL,

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How To Convert Apparent Into Real Power Without Knowing Reactive Power?

0 Answers  

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