When using a stroboscope to measure an unknown frequency, which, if any, of the following steps should you take?
A. Start the measurement at the lowest frequency that the stroboscope can deliver and increase the flashing rate until a single image is obtained
B. Start the measurement at the highest frequency that the stroboscope can deliver and reduce the flashing rate until a single stationary image is obtained
C. Start the measurement at the midscale range of the stroboscope and adjust the flashing rate, in either direction, until a harmonic of the primary frequency is obtained
D. None of the above
Show Answer
Answer: B
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