If e=3 sin 3πt + 4 cos 3πt. what will be the rms value, peak value and phase of given emf?
1 Answer
The peak value is
The RMS value is
The phase angle is:
Explanation:
Using the identity
We can write the following equation:
Where A is the amplitude
Matching the given equation:
We observe that:
Divide equation [2] by equation [3]:
We can use equation [2] to solve for A:
We know that
An alternative form for
The peak value is
The RMS value is
We know that the phase angle of a sine wave of the form,
Matching this with the alternative form, the phase angle is