In a series LCR circuit, a resistor of \(300 \Omega\), a capacitor of 25 nF and an inductor of 100 mH are used. For maximum current in the circuit, the angular frequency of the ac source is _____ \(\times 10^4\) radians \(\mathrm{s}^{-1}\).

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(A) 2

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\(\begin{aligned} & \omega=\frac{1}{\sqrt{\mathrm{LC}}} \\ & \omega=\frac{1}{\sqrt{25 \times 10^{-9} \times 100 \times 10^{-3}}} \\ & \omega=\frac{10^{+6}}{5 \times 10}=2\end{aligned}\)

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