What is battery Amphere-hour? How the battery back up time period is calculated?

2 Answers  

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# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in

0 Answers   HPCL,

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What is E.M.F ?

6 Answers  

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we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.

0 Answers   ABB,

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What is rotating magnetic field?Discuss elaborately.

0 Answers  

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how to calculate the KVAr for an motor for improving the PF

3 Answers  

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During the transients in alternator,the mechanical power input remains almost constant while the electrical power output changes significantly.Why?

1 Answers  

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What are the industrial applications of Superhetrodyne Receivers ? What are merits & De-merits of SuperHeterodyne Receivers ?

1 Answers   Airtel,

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what is difference between neutral and ground wire?

2 Answers   TCS,

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what is skin effect?

6 Answers   MPSEB,

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Why use only DC supply to charge batteries why not AC Supply??

3 Answers   APC, Emerson,

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where does the unbalanced current flow in the delta circuit

3 Answers  

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