1
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

In a circuit $$L, C$$ and $$R$$ are connected in series with an alternating voltage source of frequency $$f$$. The current leads the voltage by $$45^{\circ}$$. The value of $$C$$ is

A
$$\frac{1}{2 \pi f(2 \pi f L+R)}$$
B
$$\frac{1}{\pi f(2 \pi f L+R)}$$
C
$$\frac{1}{2 \pi f(2 \pi f L-R)}$$
D
$$\frac{1}{\pi f(2 \pi f L-R)}$$
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