एक कैथोड रे ऑसिलोस्कोप (CRO) पर लिसाजस पैटर्न में 8 ऊर्ध्वाधर अधिकतम मान और 4 क्षैतिज अधिकतम मान हैं। क्षैतिज इनपुट की आवृत्ति 1600 Hz है। ऊर्ध्वाधर इनपुट की आवृत्ति निर्धारित करें?

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SSC JE Electrical 07 Jun 2024 Shift 3 Official Paper - 1
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  1. 200 Hz
  2. 800 Hz
  3. 600 Hz
  4. 400 Hz

Answer (Detailed Solution Below)

Option 2 : 800 Hz
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अवधारणा

कैथोड रे ऑसिलोस्कोप (CRO) पर लिसाजस पैटर्न के लिए ज्ञात आवृत्ति के लिए अज्ञात आवृत्ति इस प्रकार दी गई है:

\(f_y=f_x({n_x\over n_y})\)

जहां, fy = ऊर्ध्वाधर आवृत्ति

fx = क्षैतिज आवृत्ति

nx = क्षैतिज स्पर्श रेखाओं की संख्या

ny = ऊर्ध्वाधर स्पर्श रेखाओं की संख्या

गणना

दिया गया है, ny = 8 और nx = 4

fx = 1600 Hz

\( \frac{f_x}{f_y} = \frac{8}{4} = 2 \Rightarrow f_y = \frac{f_x}{2} = \frac{1600}{2} = 800\ \text{Hz} \)

fy = 800 Hz

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