Network Engineering MCQs

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Audio Devices Crossover Networks

Crossover networks make use of the principle that the inductive reactance decreases with increase in frequency and the capacitive reactance increases with increase in frequency.

A. True
B. False
C. .
D.

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Which of the following network is shown in below figure?

A. Three-way system
B. Crossover
C. Blue ray
D. Optical recording

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What is termed as the point where the curve of woofer output crosses the curve of tweeter output?

A. Crossover amplitude
B. Crossover phase
C. Crossover frequency
D. Crossover cycle

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What is the equation for capacitance in crossover network?

A. C = 1 / 2πfc∊2rl
B. C = 1 / 2πfl∊2rc
C. C = 100 / 2πfc∊2rl
D. C = 10 / 2πfc∊2rl

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What is the equation for inductance in crossover network?

A. L = ?2rl / 2πfc
B. L = ?2rc / 2πfl
C. L = ?2rl / 20πfc
D. L = 2πfc / ?2rl

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What is the range of woofer for 3 way speaker system?

A. 20 hz to 500 hz
B. 50 hz to 5000 hz
C. 2000 hz to 5000 hz
D. 500 hz to 5000 hz

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What is the range of tweeter for 3 way speaker system?

A. 2000 hz to 5000 hz
B. 5000 hz to 20,000 hz
C. 500 hz to 5000 hz
D. 20 hz to 500 hz

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Design a crossover network to give 12 dB per octave attenuation for critical frequency of 0.5 KHz. Loudspeaker is having resistance of 8 Ω.

A. C = 200 μf, l = 5.9 mh
B. C = 28.13 μf, l = 3.6 mh
C. C = 45.78 μf, l = 2.9 mh
D. C = 67.34 μf, l = 9.9 mh

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