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A series LCR circuit uses R=300 Ω, C=25 nF and L=100 mH. For maximum current the angular frequency of the source is ______ ×10⁴ rad/s.

Asked in JEE Main 23rd Jan 2nd Shift 2025 · Resonance condition and tuning

Answer: 2

Step-by-step solution

Maximum current at resonance: ω₀=1/(√LC).

ω₀=1/(√0.1×25×10⁻⁹)=1/(√2.5×10⁻⁹)=1/(5×10⁻⁵)=2×10⁴ rad/s.

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