The period of a signal is 100 ms. Its frequency is _________.
2018
The period of a signal is 100 ms. Its frequency is _________.
- A.
1003 Hertz
- B.
10−2 KHz
- C.
10−3 KHz
- D.
105 Hertz
Attempted by 192 students.
Show answer & explanation
Correct answer: B
Solution: compute the frequency from the period.
Convert the period to seconds: 100 ms = 0.1 s.
Compute frequency: f = 1/T = 1/0.1 s = 10 Hz.
Convert to kilohertz if needed: 10 Hz = 10/1000 kHz = 0.01 kHz = 10^-2 kHz.
Final answer: 10 Hz (which equals 10^-2 kHz).