MCQ
In an AC circuit, the impedance is 3 times the reactance, then the phase angle is.
- A60°
- B30°
- Czero
- Dnone of these
✓
Answer
- none of these
Explanation:
$\sin\phi=\frac{\text{X}}{\text{Z}}=\frac{1}{\sqrt{3}}$
$\therefore\phi=\sin^{-1}\Big(\frac{1}{\sqrt{3}}\Big)$
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