Q92
Which of the following methods can be used for measuring power without using wattmeter. 1. One voltmeter, one ammeter 2. Two voltmeters, two ammeters 3. Three voltmeters 4. Three ammeters
A.
1 and 2 only
AnswerB.
2 and 4 only
C.
1 and 3 only
D.
4 only
Answer: Option A
Solution
Answer: Option A
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