why do we provide metallic enclosure to bus duct and then ground it?

1 Answers  

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What is a differential amplifier?

0 Answers  

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How can we calculate ac current from the given DC current when AC voltage is given?

0 Answers  

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hw to find transformer is in normal position? whether its in charged condition or not? except humming sound?

9 Answers   ABB,

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a campus site?

2 Answers  

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What is difference between 220v/50Hz & 120V/60Hz?

8 Answers  

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how to measure the voltage drop in cables also give formulas to calculate.

3 Answers   Cable Wireless,

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how can we check a fully charged battery?

2 Answers   KSEB,

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in india why we not use frequency above 50 hz for distrubuting power ?

1 Answers  

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160 kw motor running use 2R* 150 SQ mm cable

0 Answers   ID,

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While testing LA mast,What are the parameter limits ?

0 Answers   TATA,

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give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

0 Answers  

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