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The oneillanion Thense are frecheseny is
Here. \( \operatorname{~How~} \phi=\frac{R}{z} \) is called forwer fencror of the
Select the correct answer to these questions from the codes \( (a),(b),(c) \) and \( (a) \) as given below
(a) Both \( A \) and \( R \) are true and \( R \) is the correct
(b) explanation of \( A \).
(b) Both \( A \) and \( R \) are true but \( R \) is not the correct
(c) \( A \) is true, but \( R \) is false.
(d) \( A \) is false, but \( R \) is true.
Assertion. An inductor of \( 200 \mathrm{mH} \), capacitor of \( 400 \mu \mathrm{F} \) and a resistor of \( 10 \mathrm{ohm} \) are connected in series to an a.c. source of \( 50 \vee \) of variable frequency. Maximum power dissipation occurs at \( 111.8 \mathrm{rad} / \mathrm{s} \).
Reason. Maximum power dissipation occurs at resonance when \( \omega L=\frac{1}{\omega C} \) or \( \omega=\frac{1}{\sqrt{L C}} \).
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