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Passive Filters MCQ Questions & Answers | Electrical Engineering

Learn Passive Filters MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Passive Filters MCQ question is the important chapter for a Electrical Engineering and GATE students.

1
A band-stop filter passes frequencies between its lower and upper critical frequencies and rejects all others.
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Answer & Solution
Answer: Option B
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2
The bandwidth of a resonant filter is determined by the quality factor (Q) of the circuit and the resonant frequency.
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Answer: Option A
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3
In a certain parallel resonant band-pass filter, the resonant frequency is 14 kHz. If the bandwidth is 4 kHz, the lower frequency
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Answer: Option C
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4
Vout = 500 mV and Vin = 1.3 V. The ratio $$\frac{{{{\text{V}}_{{\text{out}}}}}}{{{{\text{V}}_{{\text{in}}}}}}\,$$ expressed in dB is
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Answer: Option C
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5
A series resonant band-stop filter consists of a 68 Ω resistor, a 110 mH coil, and a 0.02 µF capacitor. The internal resistance, RW, of the coil is 4 Ω. Input voltage is 200 mV. Output voltage is taken across the coil and capacitor in series. What is the output voltage magnitude at f0?
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Answer: Option B
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6
In a series resonant band-pass filter, a lower value of Q results in
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Answer: Option D
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7
Critical frequencies are also called -3 dB frequencies.
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Answer: Option A
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8
A band-pass filter rejects all frequencies within a band between a lower and an upper critical frequency and passes all others.
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Answer: Option B
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9
In a certain parallel resonant band-pass filter, the resonant frequency is 14 kHz. If the bandwidth is 4 kHz, the lower frequency is
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Answer: Option C
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10
An RC high-pass filter consists of an 820 Ω resistor. What is the value of C so that Xc is ten times less than Rat an input frequency of 12 kHz?
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Answer: Option C
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