Find the period of the wave whose frequency is 4.8 kHz.
A. 0.26 ?s
B. 0.21 ms
C. 0.26 ms
D. 0.26 s
E. 0.21 s
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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A. 276.39 B. 276.29 C. -276.29 D. 710.65
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