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ECE · Q24

Measurement And Instrumentation

Engineering and GATE · ECE · question 24

Q24

The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures

A.
Active power in R phase
B.
Active power of Y phase
C.
Reactive power of R phase
Answer
D.
Power proportional to 3 phase power if the load is balanced

Answer: Option C

Solution

Answer: Option C
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