In power point wiring,often,we use less size of earth wire compared to phase & neutral wire and we use big size pin in pug top. how is it justified? can we use small size cable for earthing?

3 Answers   HAL,

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Even when a particular generator in a generating station is under maintenance we are still able to maintain the same power output. How is this possible? Does the tie line between 2 generating stations have a role to play in it?

1 Answers   NTPC,

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why a bulb glow when connected with two end phase and neutral respectively.

1 Answers   ACME,

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what type of relay has to be used for tripping the circuit from mains when a fault occur in a machine

3 Answers  

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What is the advantage of AC supply?

5 Answers   PSU,

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what's ripple content in rectifier? how it formed?

1 Answers  

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WHAT IS THE DIFFERENCE B/W THREE POINT STARTER AND FOUR POINT STARTER

1 Answers  

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I want to know what is the short circuit level when 8 NOS 2000 kVA, 415v, 50hZ generator connected in paraller

1 Answers  

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How does a diesel generator works?

1 Answers  

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a new 3ph induction motor doesn't rotates their ratted speed, why ?

2 Answers   Sail,

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What happen if we give resistance to the armatuure of a dc motor?a

1 Answers  

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1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

0 Answers  

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