A) \[{{\tan }^{-1}}\frac{4}{3}\]
B) \[{{\tan }^{-1}}\frac{3}{4}\]
C) \[{{\tan }^{-1}}\frac{3}{2}\]
D) \[{{\tan }^{-1}}\frac{2}{5}\]
Correct Answer: A
Solution :
Phase angle \[\tan \varphi =\frac{\omega L}{R}=\frac{2\pi \times 200}{300}\times \frac{1}{\pi }=\frac{4}{3}\] \[\therefore \,\,\,\varphi ={{\tan }^{-1}}\frac{4}{3}\]
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