RLC Circuit MCQs for NEET

NEET  Physics is the scoring paper in the medical entrance examination. Here, you will discover the NEET Physics MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Physics objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Physics RLC Circuit Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on RLC Circuit

1. A 6.8 kΩ resistor, a 7 mH coil, and a 0.02 μF capacitor are in parallel across a 17 kHz ac source. The coil’s internal resistance Rw is 30 Ω. The equivalent parallel resistance, Rp (eq) is
(a) 1,878 Ω
(b) 18,780 Ω
(c) 18,750 Ω
(d) 626 Ω


Answer: (b) 18,780 Ω

2. A 15 kΩ resistor, a 220 μH coil, and a 60 pF capacitor are in series across an ac source. What is the bandwidth of the circuit?
(a) 138 MHz
(b) 10,866 Hz
(c) 1,907 Hz
(d) 138 kHz


Answer: (b) 10,866 Hz

3. A 90 Ω resistor, a coil with 30 Ω of reactance, and a capacitor with 50 Ω of reactance are in series across a 12 V ac source. The current through the resistor is
(a) 9 mA
(b) 90 mA
(c) 13 mA
(d) 130 mA


Answer: (d) 130 mA

4. The total impedance, expressed in polar form for a certain series RLC circuit with a 200 Hz, 15 V ac source has the following values: R = 12 Ω, C = 80 μF, and L= 10 mH is
(a) 12.28 ㄥ12.340 Ω
(b) 12.57 ㄥ12.340 Ω
(c) 9.95 ㄥ12.340 Ω
(d) 12.62 ㄥ12.340 Ω


Answer: (a) 12.28 ㄥ12.340 Ω

5. If the resistance in parallel with a parallel resonant circuit is reduced, the bandwidth
(a) Disappears
(b) Becomes Sharper
(c) Increases
(d) Decreases


Answer: (d) Decreases

6. To tune a parallel resonant circuit to a higher frequency, the capacitance should be
(a) Increased
(b) Decreased
(c) Left alone
(d) Replaced with inductance


Answer: (b) Decreased

7. A 15 Ω resistor, an inductor with 8 Ω inductive reactance, and a capacitor with 12 Ω capacitive reactance are in parallel across an ac voltage source.
(a) 12.7 Ω
(b) 127 Ω
(c) 4.436 Ω
(d) 6,174 Ω


Answer: (a) 12.7 Ω

8. What is the value of resonant frequency if the value of C in a series RLC circuit is decreased?
(a) Is not affected
(b) Increases
(c) Is reduced to zero
(d) Decreases


Answer: (b) Increases

9. In a series RLC circuit that is operating above the resonant frequency the current
(a) Lags the applied voltage
(b) Leads the applied voltage
(c) Is in phase with the applied voltage
(d) Is zero


Answer: (a) Lags the applied voltage

10. An inductor with a reactance of 120 Ω, a capacitor with a reactance of 120 Ω and a 24 Ω resistor are in series across a 60 V source. The circuit is at resonance. The voltage across the inductor is
(a) 60 V
(b) 660 V
(c) 30 V
(d) 300 V


Answer: (d) 300 V

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