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Series LCR: Impedance and Phase for NEET: 10 solved questions

Real NEET paper questions on series lcr: impedance and phase, part of alternating current. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2005 to 2025. No sign-in needed to read them.

What this topic asks

• Impedance and phase angle — 6 questions
• Current in a series LCR — 2 questions
• Voltages across the elements — 2 questions

All 10 questions with solutions

• To an ac power supply of 220 V at 50 Hz, a resistor of 20 Ω, a capacitor of reactance 25 Ω and an inductor of… NEET 2025
• A series circuit is driven by a 220 V, 50 Hz ac source and contains an inductor L=(50)/π mH, a capacitor C=(1… NEET 2023
• An ac source V=220 sin (100π t+φ) volt is connected across a series combination of an inductor L=1/π H and a… NEET 2023
• Circuit (a) is a resistor R=10 Ω alone across an ac supply. Circuit (b) is the same resistor in series with a… NEET 2023
• An inductor of inductance L, a capacitor of capacitance C and a resistor of resistance R are connected in ser… NEET 2021
• A series R-C circuit is connected to an alternating voltage source. Consider two situations: (a) when the cap… NEET 2015
• An ac voltage is applied to a resistance R and an inductor L in series. If R and the inductive reactance are… NEET 2011
• A coil has a resistance of 30 ohm and an inductive reactance of 20 ohm at 50 Hz frequency. If an ac source of… NEET 2011 Mains
• In a circuit L, C and R are connected in series with an alternating voltage source of frequency f. The curren… NEET 2005
• A circuit when connected to an ac source of 12 V gives a current of 0.2 A. The same circuit when connected to… NEET 2019