Distinguish between alternating current and direct current by giving two points.
Compare the variations in alternating current and direct current using graphs.
Knowledge Check
The process of converting alternating current into direct current is known as
A
modulation
B
amplification
C
detection
D
rectification
The direction of alternating currenting current get changed in one cycle –
A
two times
B
one time
C
50 time
D
60 time
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