Which of the following statement(s) is a disadvantage of Electro mechanical induction type energy meter?
1. They have nonlinear scales
2. There is no moving iron
3. It can only measure AC quantities
4. They can consume a considerable amount of power
1
Only 2 and 3
2
1, 2, and 3
3
1, 3, and 4
4
Only 1 and 3
5
Question Not Attempted