Electronics and Communication Engineering - Signals and Systems - Discussion

Discussion Forum : Signals and Systems - Section 1 (Q.No. 5)
5.
In an ac circuit the fundamental component of current wave lags the corresponding voltage wave by 20°. The third harmonic component of current wave lags the corresponding voltage by an angle.
less than 20°
more than 20°
equal to 20°
equal to or more than 20°
Answer: Option
Explanation:

For third harmonic θ = tan-1 = .

Discussion:
7 comments Page 1 of 1.

Saira narasimha reddy said:   3 years ago
Theta = tan inverse (XL/R)= 20°
When,
3rd hormonic theta = tan inverse (3XL/R) so,
Value of theta increased more than previous so,
More than angle 20°.

Ganesh said:   5 years ago
How to solve this one?

NP NARESH said:   5 years ago
Explain briefly.

Dhinesh kumar said:   5 years ago
How to get the WL/R?

DADO said:   6 years ago
tan(θ)=n* first harmonic.
θ = tan^-1(3 * wL/R).

Chaitu said:   6 years ago
How to solve this?

EngrAfridi said:   7 years ago
How can any solve it?

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