Oscilloscope time base problem. You are asked to display a 1 kHzsine wave signal

Question

Oscilloscope time base problem. You are asked to display a 1 kHzsine wave signal on the screen. Since the period T is related tothe frequency f by the formula T = 1 / f, the period of this waveis 1/(103/s)=1ms, so a reasonable setting for the"Time/div" dial is 1 ms/div. But suppose you select aninappropriate setting for the Time/div dial by mistake. What wouldyou see if you set the dial on 1 s/div?100 ms/div?

A. Asine wave shifted to the left on 1 s/div and to the right on100 ms/div
B. A(nearly) horizontal line on 1 s/div andmany (nearly) vertical lines of 100 ms/div
C.Nothing on either (no trigger)
D. Anormal sine wave in both cases
E.None of these

Explanation / Answer

A (nearly) horizontal line on 1 s/div and many (nearly) vertical lines of 100 ms/div

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