Define following terms: i) Active networks. ii) Unilateral networks
i) Active networks:
If a network consists of an energy source then it is called an active network. The type of energy source can be a voltage source or a current source.
ii) Unilateral networks:
If the characteristics, response or behavior of a network is dependent on the direction of current through its elements in it, then the network is called as a unilateral network.