You are given following current-time graph from two different sources,  (i) Name the
Channel: Doubtnut
Date: 2020-08-02

You are given following current-time graph from two different sources,  (i) Name the type of current in two cases.  (ii) Identify any one source for each type of these currents.  (iii) What is the frequency of current in case source II in India?  (iv) Use above graph to write two differences between the currents in the two cases.