Current is made up of two components 3a
d.c. component and an
a.c. component given by i = 4  amp. the effective value of current is
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The resultant is average value of AC current +dc current.
The average value of AC current is its rms value which in this case is 4/√2=2√2.
so the resultant is Ac rms +dc=2√2+3=5.82 Amps
The average value of AC current is its rms value which in this case is 4/√2=2√2.
so the resultant is Ac rms +dc=2√2+3=5.82 Amps
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