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What is the difference between the watt hour meter and Var
hour meter in terms of internal connection and work theory .
ie "When the meter records watt-hour an when the meter
records var hours ??"
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sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....
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