The following diagram shows a circuit of a sound system. a) Calculate the voltage drop across the inductor, the capacitor, and the 18Ω speaker in this sound system at the frequency of 120Hz, given a constant source voltage of 15V. b) Draw the voltage vector diagram for the complete circuit. c) Find out power loss in the amplifier. Mention the unit. d) Find out power dissipated by the speaker. Mention the unit. e) Find the total reactive power in the sound system without using the voltages across loads. Mention the unit. f) Find the apparent power of the system. Mention the unit. g) Find the power absorbed by the inductor. Mention the unit. h) Find the resonant frequency and find the current flow and power delivered by the source at resonant frequency.

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The following diagram shows a circuit of a sound system.

a) Calculate the voltage drop across the inductor, the capacitor, and the 18Ω speaker in this sound
system at the frequency of 120Hz, given a constant source voltage of 15V.

b) Draw the voltage vector diagram for the complete circuit.

c) Find out power loss in the amplifier. Mention the unit.

d) Find out power dissipated by the speaker. Mention the unit.

e) Find the total reactive power in the sound system without using the voltages across loads.
Mention the unit.

f) Find the apparent power of the system. Mention the unit.

g) Find the power absorbed by the inductor. Mention the unit.

h) Find the resonant frequency and find the current flow and power delivered by the source at
resonant frequency.

120uF
豆
180
30
Amplifler
15 VAC
35mH
Transcribed Image Text:120uF 豆 180 30 Amplifler 15 VAC 35mH
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g) Find the power absorbed by the inductor. Mention the unit.

h) Find the resonant frequency and find the current flow and power delivered by the source at
resonant frequency.

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Follow-up Question

e) Find the total reactive power in the sound system without using the voltages across loads.
Mention the unit.

f) Find the apparent power of the system. Mention the unit.

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