1. In a 3 phase power measurement using two wattmeter method, both wattmeters give the same reading. What is the power factor of the circuit?





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MCQ->Assertion (A): In two wattmeter method of 3 phase power measurement, one of the wattmeters would read negative if power factor of load is less than 0.5.Reason (R): In two wattmeter method of 3 phase power measurement, both the wattmeters would show equal readings if power factor of load is unity.

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MCQ->In a 3 phase power measurement using two wattmeter method, both wattmeters give the same reading. What is the power factor of the circuit?....
MCQ->Consider the following statements as regards induction and dynamometer wattmeters Dynamometer wattmeters can be used for dc only.Induction wattmeter has higher torque and dynamometer wattmeter.Induction wattmeter is less accurate, has more power consumption and more weight than dynamometer wattmeter. Which of the above statements are correct?....
MCQ->Assertion (A): A 3 phase wattmeter consists of two wattmeters mounted in one case.Reason (R): Power measurement in a 3 phase circuit can be conveniently done by two wattmeter method.

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MCQ->In 3 phase power measurement by two wattmeter method, both wattmeters had equal reading. The power factor of load is....
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