What frequency does the sinusoidal signal have that occupies five horizontal divisions and three vertical divisions on a CRO for a full cycle if the time base is set to 1 ms per division?

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SSC JE Electrical 16 Nov 2022 Shift 3 Official Paper
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  1. 1 KHz
  2. 250 Hz
  3. 100 Hz
  4. 200 Hz

Answer (Detailed Solution Below)

Option 4 : 200 Hz
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Detailed Solution

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The correct answer is option 4): (200 Hz)

Concept:

The given time base is set at 1 ms per division.

Also, for one complete cycle, the given sinusoidal signal occupies five horizontal divisions. This is as shown

The time period of the sinusoid will be: T = 5 × 1 ms = 5 ms

With f= , the frequency of the sinusoid will be:

f = 

Hz

f = 200 Hz

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