##
__A.C Fundamentals (Solved Examples 2)__

1) Find the R.M.S of,

V (t) =

_{ }Sin 2πt + Sin 6πt## Answer

First of all, We have to find the Period of this function.

We know that,

T = 2π/w

Here we have two sinusoidal functions (V1 & v2).

Figure 22.1 Show the Two sine functions individually.

----- Sin 2πt

-----Sin 6πt

__Figure 22.1 Sin 2πt & Sin k2πt Functions individually,__

So now it is clear that sin2πt is the Primary wave.

T = 2π/w

Here w = 2π ,

Therefore,

__T = 1__

Now,

Now,

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Pabindu Lakshitha

B.Sc(Engineer)

Electrical and Information Engineering.

excellent

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