Question

1. what is the point called where an input signal changes from passed to blocked in an rl filter?

x_l

band pass

band stop

half power point

Explanation:

• \(X_{L}\) is the inductive reactance, not the point where the signal changes from passed to blocked.
• Band - pass filters allow a range of frequencies to pass, not the specific point of transition from passed to blocked.
• Band - stop filters block a range of frequencies, not the transition point.
• The half - power point (also known as the cutoff frequency) in an RL filter is the frequency at which the power in the output is half of the maximum power. At this frequency, the filter starts to block the input signal (for a low - pass RL filter, frequencies above the half - power point are attenuated).

Answer:

d. half power point