The average current is 0.
The average of the square of the current is 6.25 [tex]A^{2}[/tex].
The amplitude of the current is ≈3.54 A.
What is current?
In an electrical circuit that is closed, current is the rate at which electrons move past a certain point. Current equals flow, in its most fundamental form.
The international unit for measuring current is called an ampere (AM-pir), or amp. It describes the amount of electrons (sometimes referred to as "electrical charge") that travel past a certain point in a circuit over a specified period of time.
We know that,
RMS current is the "root mean square" of the square of amplitude.
[tex]I_{rms}[/tex] = [tex]\sqrt{I^{2} }[/tex]
So, average of the square is the square of the RMS average.
[tex]I^{2}[/tex] = 6.25 [tex]A^{2}[/tex]
A DC power line's average current is zero because it fluctuates between positive and negative values.
The RMS for waves is usually just the magnitude over [tex]\sqrt{2}[/tex].
So that the overall magnitude is
I = [tex]\sqrt{2}[/tex].[tex]I_{rms}[/tex] = [tex]\frac{5\sqrt{2}}{2}[/tex] ≈ 3.54 A.
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