In constant frequency (50 Hz) power transformers, approximate form is

1.	In constant frequency (50 Hz) power transformers, approximate form is used with ___________
A.	‚âà√¨‚àö√ë equivalent model
B.	T equivalent model
C.	‚âà√¨‚àö√ë and T equivalent both
D.	Another model
Answer» C. ‚âà√¨‚àö√ë and T equivalent both

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