

MCQOPTIONS
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1. |
One cycle of square wave signal observed on an oscilloscope is found to occupy 6 cm at a scale setting of 30 μs/cm. What is the signal frequency? |
A. | 1.8 kHz |
B. | 5.55 kHz |
C. | 18 kHz |
D. | 55.5 kHz |
Answer» C. 18 kHz | |