Free Test LC circuits – NEET

Q1: What does LC in LC circuit stand for?

A. Inductor-Capacitor B. Load-Conductor C. Linear-Capacitor D. Longitudinal Coil

Q2: In an LC circuit, energy oscillates between:

A. Electric and magnetic fields B. Current and voltage C. Resistance and current D. Power and energy

Q3: The natural frequency of LC circuit is given by:

A. 1/(2π√(LC)) B. 2π√(LC) C. 1/(LC) D. LC/2π

Q4: Which quantity remains conserved in an ideal LC circuit?

A. Total energy B. Charge C. Current D. Voltage

Q5: In an LC circuit, when current is maximum, the energy is stored in:

A. Inductor only B. Capacitor only C. Both D. None

Q6: At what point is the energy stored in the capacitor maximum in an LC oscillation?

A. When current is zero B. When current is maximum C. Always D. Never

Q7: The LC oscillation is:

A. Simple harmonic motion B. Rectilinear motion C. Damped motion D. Circular motion

Q8: If L = 1 H and C = 1 F, what is the frequency of oscillation?

A. 1/2π Hz B. 2π Hz C. 1 Hz D. π Hz

Q9: Which factor affects the time period of LC oscillations?

A. Inductance and capacitance B. Resistance and voltage C. Current and voltage D. Resistance and capacitance

Q10: The phase difference between voltage across L and C in resonance is:

A. 180° B. 90° C. 0° D. 60°

Q11: What happens to LC oscillations in presence of resistance?

A. They are damped B. They are amplified C. They remain same D. They become non-periodic

Q12: At resonance, impedance of LC circuit is:

A. Minimum B. Maximum C. Zero D. Infinite

Q13: Which graph represents LC oscillation?

A. Sinusoidal B. Parabolic C. Exponential D. Linear

Q14: Dimension of 1/√(LC) is same as that of:

A. Frequency B. Time C. Current D. Resistance

Q15: In LC circuit, energy oscillates between:

A. Capacitor and inductor B. Resistor and inductor C. Inductor and power supply D. Resistor and capacitor

Q16: Charge on capacitor in LC circuit at time t is:

A. q = Qcos(ωt) B. q = Qsin(ωt) C. q = Qt D. q = Qe^(-t)

Q17: Current in LC circuit leads the voltage across capacitor by:

A. π/2 B. π C. 0 D. π/4

Q18: In an LC circuit, if L is doubled, frequency will:

A. Decrease B. Increase C. Remain same D. Become infinite

Q19: In a series LC circuit, current is maximum at:

A. Resonance B. High frequency C. Low frequency D. Zero frequency

Quiz for LC circuits