A 3 phase balanced supply feeds a 3-phase unbalanced load. Power supplied to the load can be measured by ___________
(a) 2 Wattmeter and 1 Wattmeter
(b) 2 Wattmeter and 3 Wattmeter
(c) 2 Wattmeter and 2 Wattmeter
(d) Only 3 Wattmeter

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