Answer / sanjay

while 60W bulb connected to 230v it will consume 0.261A.if
same bulb connected to 200v it will consume 0.3A

Answer / adil anjum

I=P/V so it can be solve

Answer / pavan sharma

230v and 60w bulb connected to 230v supply it consume 60w power. Current calculate by p=vi formla put v=230 and p=60 .than calculate r=v/i. Next condition r just calulate v=200 calulate current i=v/r also calculate p=vi put v=200 and value of i

in soft starter system for 375 KW 3 ph induction motor for multi stage vertical pump, two thyristers failed causing shorting of thyrister. the motor winding failed while starting.What is the cause and what is the effect in above case

1 Answers   KPCL,

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How i can identify the 220V and 110V power supply equipment? No tag number.

4 Answers  

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How to select the proper VSD to operate high inertial load

0 Answers  

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What is the meaning of loop in transformer

0 Answers   AST,

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why and where we use early make & late break contacts in protection?

0 Answers  

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why trasformer rated in kva why should have to maintain pf in our site 0.9

3 Answers   Dalkia,

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in the Distribution system .which one is Most Economically used by Power Engineer ? a)3 Phase3 wire System or b) 3Phase -4wire System

6 Answers   APTransco,

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Why star pointed terminal have no current? how?

3 Answers  

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i want to know how to calculate the battery capacity based on the UPS . ex i want to run have one kva UPS Which should run 10 hours ? in that case how many batteries to be installed and what will be the AH Value .

2 Answers  

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what u meant by shock ? whether it depends on voltage or current

12 Answers  

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how u measure/calculate renge of capacitor,capacitor has no any rating tag.what is the theory of measure of capacitons.

0 Answers   Marriott,

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what are the types of sus station ?

13 Answers   NTPC,

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