Question

current time graph of two different sources are shown in the figure. 1) name the type of current shown by the graph in a and b (2) name any one source of a and b (3) what is the frequency of current in case b (4) write two difference between current shown by a and b

Answer 1

1. In graph ( a ) current is constant and in graph (b) current is different.
2. source of (a) is battery and source of (b) is AC generator.

3. 50Hz frequency of current in case b.

4 . current shown by( a) does not change its direction but current shown by (b) change its direction.
current shown by (a) cannot be transmitted for long distance but current shown by (b) can be transmitted for long distances..

Answer 2

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