Q1 (a) 4 (b) (c) Calculate the relaxation time for a mechanical oscillator with a mass of 270 g and a mechanical resistance of 7.2 Ns/m Discuss the similarities and differences between'a Helmholz resonator and a high-pass acoustic filter. Calculate the voltage induced in a loudspeaker coil of length 2.2 m when it travels at a velocity of 15 cm/s in a static magnetic field of 0.65 T.
Q1 (a) 4 (b) (c) Calculate the relaxation time for a mechanical oscillator with a mass of 270 g and a mechanical resistance of 7.2 Ns/m Discuss the similarities and differences between'a Helmholz resonator and a high-pass acoustic filter. Calculate the voltage induced in a loudspeaker coil of length 2.2 m when it travels at a velocity of 15 cm/s in a static magnetic field of 0.65 T.
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Transcribed Image Text:Q1 (a)
4
(b)
Calculate the relaxation time for a mechanical oscillator with a mass of 270 g
and a mechanical resistance of 7.2 Ns/m
Discuss the similarities and differences between'a Helmholz resonator and a
high-pass acoustic filter.
Calculate the voltage induced in a loudspeaker coil of length 2.2 m when it
travels at a velocity of 15 cm/s in a static magnetic field of 0.65 T.
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