The current though a branch in a linear network is 2A when the input voltage is 10 volts. If the voltage is reduced to 1 volt, and the polarity is reversed, what is the current flowing through the branch ?

2 Answers  

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What are the disadvantages of LT AVR over HT AVR?

1 Answers   APTransco, Jindal, TNEB Tamil Nadu Electricity Board,

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What is mean by Sensitive Earth fault & what are the effects

1 Answers   Enteg Technologies,

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what is ratio test?

1 Answers  

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Name the test signals used in control system

0 Answers  

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how can we calculate air compressure capacity

1 Answers  

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Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

0 Answers   FEWA, HMK,

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last week we did the REF relay test by closing single pole (R phase) of CB and apply 380V at the primary of delta transformer. we get 33A at the primary of the R phase star end. but we get 380A at both R an B in delta side. how and why?

1 Answers   Siemens,

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1 amp means-how many electron flow per second. ?

2 Answers  

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Explain the working principle of Vacuum circuit breaker and Air circuit breaker

10 Answers   HP, Trinidad and Tobago Electricity Commission T TEC,

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Double Busbar Scheme for outdoor switch yard system (132kv) step up power plant Hi friends 1. in this system both busbars energized all the time. 2. what is the meaning of main BB and transfer BB, 3. step up transformer connect main bus bar all the time or both BB connected through DS switch . 4.bus sectionalization means ? thank you.

1 Answers   ABC, Gael,

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why there is a phase shift lies between primary and secondary voltages of a transformer?

7 Answers   Mecon,

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