Figure shows one cycle of an alternating current with the segments AB, – McqOptions

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1.	Figure shows one cycle of an alternating current with the segments AB, BC, CD, DE being symmetrical and parabolic. The root mean square value of this current over one cycle is x mA, find x.
A.	1mA
B.	2mA
C.	3mA
D.	4mA
Answer» B. 2mA

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