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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. Page-2 section-1

11
The same signal in Problem 2 is applied to an RC high-pass filter. If the reactance is zero at the input frequency, the output voltage is
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Answer & Solution
Answer: Option A
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12
A sinusoidal voltage with a peak-to-peak value of 18 V is applied to an RC low-pass filter. If the reactance at the input frequency is zero, the output voltage is
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Answer: Option B
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13
In a certain low-pass filter, fc = 3.5 kHz. Its pass-band is
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Answer & Solution
Answer: Option A
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14
The roll-off rate of a basic RC or RL filter is 20 dB per decade.
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Answer: Option A
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15
A series resonant band-pass filter consists of a 2 mH coil, a 0.005 µF capacitor and a 120 Ω resistor. The winding resistance of the coil is 12 Ω. The output voltage is taken off the resistor. Input voltage is 12 Vrms. What is the output voltage magnitude at the center frequency (f0)?
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Answer: Option A
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16
In an RC high-pass filter, the output is taken across the resistor and the output leads the input.
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Answer: Option A
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17
In an RL high-pass filter, the output is taken across the inductor and the output leads the input.
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Answer: Option A
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18
At a certain frequency, the output voltage of a filter is 6 V and the input is 12 V. The voltage ratio in decibels is
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Answer: Option B
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19
The output voltage is 63.3% of its maximum at the critical frequencies.
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Answer: Option B
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20
An RC low-pass filter consists of a 120 Ω resistor and a 0.002 µF capacitor. The output is taken across the capacitor. The circuit's critical frequency is
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Answer: Option B
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