Consider the following statements :1. Tellegen's theorem is applicable to any lumped networks.2. The reciprocity theorem is applicable to linear bilateral networks.3. Thevenin's theorem is applicable to two- terminal linear active networks.4. Norton's theorem is applicable to two-terminal linear active networks. Which of these statement are correct?

Consider the following statements :1. Tellegen's theorem is applicable

1.	Consider the following statements :1. Tellegen's theorem is applicable to any lumped networks.2. The reciprocity theorem is applicable to linear bilateral networks.3. Thevenin's theorem is applicable to two- terminal linear active networks.4. Norton's theorem is applicable to two-terminal linear active networks. Which of these statement are correct?
A.	1, 2, and 3
B.	1, 2 and 4
C.	1, 2, 3 and 4
D.	3 and 4
Answer» D. 3 and 4