1. Tellegen’s theorem is applicable to

- linear networks only
- non-linear network only
- both linear and non-linear networks
- neither linear nor non-linear networks

2. Which one of the following is applicable to any network linear or non-linear, active or passive, time-varying or time-invariant as long as Kirchhoff’s laws are not violated?

- Tellegen’s theorem
- Reciprocity theorem
- Maximum power transfer theorem
- Superposition theorem