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1.
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
2.
The output voltage is 63.3% of its maximum at the critical frequencies.
3.
The maximum output voltage of a certain low-pass filter is 15 V. The output voltage at the critical frequency is
4.
An RL low-pass filter consists of a 5.6 mH coil and a 3.3 kO resistor. The output voltage is taken across the resistor. The circuit's critical frequency is
5.
An RL high-pass filter consists of a 470 O resistor and a 600 mH coil. The output is taken across the coil. The circuit's critical frequency is
6.
In an RC low-pass filter, the output voltage is taken across the resistor and the output lags the input voltage.
7.
In a certain low-pass filter, fc = 3.5 kHz. If the input voltage is a 6 V sine wave with a dc level of 10 V, what is the output voltage magnitude?
8.
In an RL low-pass filter, the output voltage is taken across the inductor and the output lags the input.
9.
Vout = 500 mV, and Vin = 1.3 V. The ratio Vout/ Vin expressed in dB is
10.
A series resonant band-stop filter consists of a 68 O resistor, a 110 mH coil, and a 0.02 ÁF capacitor. The internal resistance, RW, of the coil is 4 O. Input voltage is 200 mV. Output voltage is taken across the coil and capacitor in series. What is the output voltage magnitude at f0?