Q. The power of a n-phase circuit can be measured by using a minimum of (Solved)
1. (n - 1) wattmeter elements
2. n wattmeter elements
3. (n + 1) wattmeter elements
4. 2n wattmeter elements
- a. (n - 1) wattmeter elements
1. (n - 1) wattmeter elements
2. n wattmeter elements
3. (n + 1) wattmeter elements
4. 2n wattmeter elements