Resonance -Multiple Choice Questions Quiz

Interactive MCQs on “Resonance”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is resonance in a mechanical system?

(a) The ability of a system to maintain a constant motion.
(b) The natural frequency of vibration of a system.
(c) The point where the system comes to rest.
(d) The amplification of motion due to external forces.

Question 2: In an electrical circuit, resonance occurs when:

(a) The resistance is maximum.
(b) The capacitance is maximum.
(c) The inductance is maximum.
(d) The impedance is minimum.

Question 3: What is the effect of resonance on the amplitude of vibrations in a mechanical system?

(a) It decreases the amplitude.
(b) It increases the amplitude.
(c) It has no effect on the amplitude.
(d) It depends on the damping of the system.

Question 4: What is the relationship between the natural frequency (f) and the resonant frequency (fr) of a system?

(a) f = fr
(b) f < fr
(c) f > fr
(d) f ≤ fr

Question 5: What is the quality factor (Q-factor) of a resonant system?

(a) It represents the degree of damping in the system.
(b) It represents the frequency at which resonance occurs.
(c) It represents the amplitude of vibrations in the system.
(d) It represents the phase difference between input and output signals.

Question 6: Which type of damping causes a resonant system to return to equilibrium without oscillation?

(a) Overdamping
(b) Underdamping
(c) Critical damping
(d) Free damping

Question 7: What is the effect of damping on the bandwidth of resonance in a resonant system?

(a) It widens the bandwidth.
(b) It narrows the bandwidth.
(c) It has no effect on the bandwidth.
(d) It depends on the natural frequency.

Question 8: Which physical phenomenon is an example of resonance in everyday life?

(a) Echoes in a closed room
(b) Ocean waves breaking on the shore
(c) Vibrating guitar strings
(d) A bouncing basketball

Question 9: What type of resonant circuit consists of an inductor and a capacitor in series or parallel?

(a) RLC circuit
(b) RL circuit
(c) RC circuit
(d) LC circuit

Question 10: What happens to the phase difference between voltage and current in a resonant RLC circuit?

(a) Phase difference is maximum.
(b) Phase difference is minimum.
(c) Phase difference is zero.
(d) Phase difference is π/2 radians.