Explanation: An electric filter is often a frequency selective circuit that passes a specified band of frequencies and blocks or alternates signal of frequencies outside this band. 2. Filters are classified as
A. Analog or digital
B. Passive or active
C. Audio or radio frequency
D. All of the mentioned
Answer:A
Explanation: An electric filter is often a frequency selective circuit that passes a specified band of frequencies and blocks or alternates signal of frequencies outside this band. 2. Filters are classified as
A. Analog or digital B. Passive or active C. Audio or radio frequency D. All of the mentioned
Explanation: Filters are classified based on the design technique (analog or digital), elements used for construction (active or passive) and operating range (audio or radio frequency). 3. Why inductors are not preferred for audio frequency?