Question

you are guven following current - time graphs from two different sources (a) Name the type of current in two case (b) identify any one source for each type of those current (c)what is ths freguency of current in case 2 in india (d) use above graphs to write two difference between the current in two cases (e) After what interval of time current in case 2 changes its direction​

Answer 1

(A) In case 1 direct current in case 2alternative current

(B) In case 1 battery In case 2 power supply

( C ) 50 hz

( D ) in case 1 current is constant and is in positive state

(E) In case 2 current is variable and is in both positive and negative state .