Recent questions tagged forced vibrations

+3 votes

1 answer

The same alternating voltage v = V0 sin(ωt) is applied in both the LCR circuits shown below. The current through the resistance R at resonance is

asked Mar 22, 2019 in JEE by kratos

+1 vote

1 answer

Which of the following is correct ? X : Generator converts mechanical energy to chemical energy.

asked Mar 11, 2019 in JEE by kratos

+1 vote

1 answer

If an alternating emf E = E0 sin ωt is applied to a series LCR circuit (Fig. 4.7) the resulting

asked Mar 1, 2019 in JEE by kratos

+1 vote

1 answer

A curve between I and ω in a series LCR circuit connected to an emf E0 sin ωt has a peak (I = I0) at ω = ω0

asked Feb 23, 2019 in JEE by kratos

+3 votes

1 answer

A vertical spring has a spring constant 50 N/m. At t = 0 a force given in newtons by F (t) = 48 cos 7t, t ≥ 0

asked Feb 18, 2019 in JEE by kratos

+1 vote

1 answer

In a series LCR circuit fed with an alternating emf E = E0 sin ωt, (a) the voltage across L is in phase with the applied emf E.

asked Jan 23, 2019 in JEE by kratos

+3 votes

1 answer

Diagram of optical resonator

asked Jan 21, 2019 in JEE by kratos

+2 votes

1 answer

In the steady state forced vibration of problem 1 show that (a) the amplitude of the driven system is maximum when p =√ω^2 − 2b and

asked Jan 10, 2019 in JEE by kratos

+2 votes

1 answer

A wind-powered generator converts wind energy into electrical energy. Assume that the generator converts a fixed fraction

asked Jan 5, 2019 in JEE by kratos

+2 votes

1 answer

(a) An alternating voltage v = vmsinωt applied to a series LCR circuit drives a current given by i =imsin(ωt + ϕ).

asked Dec 27, 2018 in JEE by kratos

+3 votes

1 answer

An air chamber of volume V has a neck area of cross section a into which a ball of mass m just

asked Dec 8, 2018 in Class 12 by kratos

+1 vote

1 answer

A wind-powered generator converts wind energy into electric energy. Assume that the generator converts a fixed fraction of wind energy intercepted

asked Dec 1, 2018 in JEE by kratos

+3 votes

1 answer

A periodic external force acts on a 3 kg mass suspended from the lower end of a vertical spring having

asked Oct 23, 2018 in JEE by kratos

+3 votes

1 answer

An air chamber of volume V has a neck area of cross section a into which a ball of mass m just fits and can

asked Sep 12, 2018 in Class 12 by kratos

+3 votes

1 answer

An air chamber of volume V has a neck area of cross-section into which a ball of mass m just fits and can move

asked Sep 9, 2018 in Class 12 by kratos

+1 vote

1 answer

A machine of total mass 90 kg is supported by a spring resting on the floor and its motion is constrained to be in the vertical

asked Aug 1, 2018 in JEE by kratos

+2 votes

1 answer

Determine the root-mean-square (rms) values of displacement, velocity and acceleration for a damped

asked Jul 23, 2018 in JEE by kratos

+2 votes

1 answer

If the quality factor Q in the steady state forced vibration is defined as

asked May 31, 2018 in JEE by kratos

+3 votes

1 answer

An A.C.source of angular frequency ω is connected in a series LCR circuit.The peak

asked May 29, 2018 in Class 12 by kratos

+1 vote

1 answer

Show that the natural frequency of vibration of Helmholtz resonator is given by

asked May 16, 2018 in JEE by kratos

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