Answer / hpl

Voltage regulator working principle depend on feedback
circuit.ie output requirement. it maybe static voltage
regulator or by auto transformer

why h parameter are called as hybrid parameter?

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How to check the specific gravity of the two 12 V batteries connected in series to a 24 V UPS and inverter ? will we have to disconnect all the connections and turn off the UPS and inverter or not ? will we have to check specific gravities in each cell of the two batteries ? what is the name of the instrument that is used to check the specific gravity and whats the procedure to check the specific gravity with it ? thanks

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why the supply frequency in india is 50hz?

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Why have to use copper cable for local isolator to motor ?

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What is the constructional difference between ceiling fan and table fan

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The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s

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in transformer star connection with neutral are shorted. is there is any effect.

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Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.

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how to calculate P.F from kva only?

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Why the Potential transformer Primary in connected to Earth?

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what is the difference between transformer,converter and transducer

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if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??

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