Question

Question 57:
The number of cyles per
second of a signal is called its
A. Wavelength
B. Spectrum
C. Frequency
D. Sequence
Choose correct option​

Answer 1

Answer:

frequency

Explanation:

Alternating current (ac) frequency is the number of cycles per second in an ac sine wave. Frequency is the rate at which current changes direction per second. It is measured in hertz (Hz), an international unit of measure where 1 hertz is equal to 1 cycle per second

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Answer 2

Answer:

C. Frequency

Explanation:

The number of periods or cycles per second is called frequency. The SI unit for frequency is the hertz (Hz). One hertz is the same as one cycle per second.