ఓసిల్లోస్కోప్ 50 Hz, 20 V పీక్-టు-పీక్ సైన్ తరంగ రూపాన్ని ప్రదర్శిస్తుంది. అదే సిగ్నల్ కోసం డిజిటల్ మల్టీమీటర్లో రీడింగ్ను గుర్తించండి.

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ALP CBT 2 Electronic Mechanic Previous Paper: Held on 21 Jan 2019 Shift 1
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  1. 35.35 V
  2. 7.07 V
  3. 6.36 V
  4. 10 V

Answer (Detailed Solution Below)

Option 3 : 6.36 V
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కాన్సెప్:

ఒస్సిల్లోస్కోప్ పీక్ టు పీక్ తరంగ రూపాన్ని ప్రదర్శిస్తుంది.

డిజిటల్ మల్టీమీటర్ తరంగ రూపం యొక్క సగటు విలువను చదువుతుంది.

సైనూసోయిడల్ తరంగ రూపం యొక్క సగటు విలువ:

 \({V_{avg}} = \frac{{2{V_p}}}{\pi }\)

ఇక్కడ Vp అనేది గరిష్ట విలువ

సాధన:

పీక్ టు పీక్ విలువ = 20 V

గరిష్ట విలువ = 10 V

ఇచ్చిన సైనూసోయిడల్ తరంగ రూపం యొక్క సగటు విలువ:

 \({V_{avg}} = \frac{{2 \times 10}}{\pi } = 6.36\;V\)

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