The meter constant of a single-phase 230 V induction watt hour meter i – McqOptions

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1.	The meter constant of a single-phase 230 V induction watt hour meter is 400 revolutions per kWh. The speed of the meter disc for a current of 10 A of 0.9 pf lagging will be
A.	13.80 rpm
B.	16.02 rpm
C.	18.20 rpm
D.	21.10 rpm
Answer» B. 16.02 rpm

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