Electronics - Alternating Current and Voltage - Discussion

Discussion Forum : Alternating Current and Voltage - Filling the Blanks (Q.No. 9)
9.
If a sine wave's period equals 50 ms, its frequency equals _____.
20 Hz
0.02 Hz
50 Hz
50 kHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Ken said:   1 decade ago
1x1000 = 1000.
50mAx1000 = 50.

Sumay kumar sahoo said:   1 decade ago
Why 1000/50?

Ramya said:   1 decade ago
f=1/t
f=1/50ms=1000/50=20hz

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