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The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be
21.1 rpm.
18.2 rpm.
16.02 rpm.
12.8 rpm.
12.8 rpm.
Practice and solve "The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The ..." for Electrical - Measurement & Instrumentation. The correct answer is Option D: 12.8 rpm.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Option **(d) **
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