Figure 18-3
Figure 18-4
-The frequency at which the output voltage of a filter is 70.7% of the input voltage is called the:
A) half-power point
B) critical frequency
C) break frequency
D) all of the above

Question

Figure 18-3
  Figure 18-4
-The frequency at which the output voltage of a filter is 70.7% of the input voltage is called the:
A) half-power point 
B) critical frequency 
C) break frequency 
D) all of the above

Quizplus · Accepted Answer

The terms half-power point, critical frequency, and break frequency are all used interchangeably to describe the frequency at which the output voltage of a filter is 70.7% of the input voltage. This specific value corresponds to the point where the power is halved, hence the name "half-power point."

Figure 18-3 Figure 18-4