Alternating Current
Quick practice
Question 1 of 5
Which of the following is correct regarding alternating current?
A
It is a current in an electric field, whose magnitude and direction do not change with time.
B
It is a current in an electric circuit, whose magnitude and direction change with time and repeat the same pattern after a definite time.
C
All of the above
D
It is a current whose frequency is zero.
Concepts
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