Consider the following statements: A 3-phase balanced supply

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Consider the following statements: A 3-phase balanced supply system is connected to a 3-phase unbalanced load. Power supplied to this load can be measured using
1. two wattmeters.
2. one wattmeters
3. three wattmeters.
Which of these statements is/are correct?

1. 1 and 2
2. 1 and 3
3. 2 and 3
4. 3 alone

Correct Option: B

When a 3-phase balanced supply system is connected to a 3-phase unbalanced load, then power supplied to this load can be measured by using:
● Two wattmeters using in line or
● Three wattmeters using each one in each phase.