11. Equation of motion of a damped harmonic oscillator in general form is: a) i =...
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11. Equation of motion of a damped harmonic oscillator in general form is: a) i = ż - w?z b) i = w?ż c) 2 = -(wż + w?z) d) i = wż + w?z 12. Quality factor (Q) of a RLC circuit with L = 1.0 x 10-2H, C = 2.5 x 10-9F and R = 10 N is: a) 10 b) 20 c) 50 d) 200 13. Amplitude of a DHO drops to half of its initial value after a period of 2s. Its damping constant is; a) 2 s-1 b) 0.7 s-1 c) 5 s-1 d) 4 s-1 14. The fractional energy loss per cycle of a SH0 having Q :1.2 x 104 is: a) 2.1 x 10-3 b) 5.3 x 10-4 c) 2.5 x 10-6 d) 1.8 x 10-5 15. Time period of a physical pendulum is: a) T = 2n/21/3g b) T = 2 31/2g c) T = 2n/2g/31 d) T = 2n 1/g Wo 16. The quantity is dimensionally equal to: a) Force b) Time c) 1/time d) velocity 17. x = Aexp(-yt/2) + Btexp(-yt/2) for y = 2 represents: a) Light damping b) Heavy damping c) Critical damping d) None d²f = 0, is: dt2 18. Solution of the equation a) f = A b) f = Bt c) f = Bt2 d) f = A + Bt 2 19. Heavily damped systems return to equilibrium: a) Slowly b) Quickly c) Very quickly d) None 20. Shock absorbers work on the principle of: 11. Equation of motion of a damped harmonic oscillator in general form is: a) i = ż - w?z b) i = w?ż c) 2 = -(wż + w?z) d) i = wż + w?z 12. Quality factor (Q) of a RLC circuit with L = 1.0 x 10-2H, C = 2.5 x 10-9F and R = 10 N is: a) 10 b) 20 c) 50 d) 200 13. Amplitude of a DHO drops to half of its initial value after a period of 2s. Its damping constant is; a) 2 s-1 b) 0.7 s-1 c) 5 s-1 d) 4 s-1 14. The fractional energy loss per cycle of a SH0 having Q :1.2 x 104 is: a) 2.1 x 10-3 b) 5.3 x 10-4 c) 2.5 x 10-6 d) 1.8 x 10-5 15. Time period of a physical pendulum is: a) T = 2n/21/3g b) T = 2 31/2g c) T = 2n/2g/31 d) T = 2n 1/g Wo 16. The quantity is dimensionally equal to: a) Force b) Time c) 1/time d) velocity 17. x = Aexp(-yt/2) + Btexp(-yt/2) for y = 2 represents: a) Light damping b) Heavy damping c) Critical damping d) None d²f = 0, is: dt2 18. Solution of the equation a) f = A b) f = Bt c) f = Bt2 d) f = A + Bt 2 19. Heavily damped systems return to equilibrium: a) Slowly b) Quickly c) Very quickly d) None 20. Shock absorbers work on the principle of:
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Related Book For
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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