Basic Electrical Engineering - Electrical Engineering (MCQ) questions and answers for Q. 9066

Q.  In a balanced 3-phase system, if one of the two wattmeter’s reading is negative then the
- Published on 02 Sep 15

a. Reading should be taken as it is
b. Reading should be taken after reversing the pressure coil
c. Reading should be taken after reversing the current coil
d. All of these

ANSWER: Reading should be taken after reversing the pressure coil

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