3. what is the frequency of this sine wave?\na 1 hz\nb 5 hz\nc 10 hz\nd 20 hz
3. what is the frequency of this sine wave?\na 1 hz\nb 5 hz\nc 10 hz\nd 20 hz
Answer
Explanation:
Step1: Recall frequency definition
Frequency is the number of cycles per second.
Step2: Count cycles in 1 - second
From the graph, there are 5 cycles in 1 second.
Answer:
B. 5 Hz