555555555519. A low-pass filter has a cutoff frequency of 1.23 kHz. Determine the bandwidth of the filter. (a) 2.46 kHz (b) 1.23 kHz (c) 644 Hz (d) not enough information given
5555555555 52. 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 ________. (a) 333 kHz (b) 633 kHz (c) 331 kHz (d) 60 kHz