निम्न में से कौन से शक्ति प्रवर्धक में धारा सिग्नल के पूरे चक्र के लिए प्रवाहित होती है?

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ALP CBT 2 Electrician Official Paper (Held On: 23 Jan 2019 Shift 3)
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  1. वर्ग C
  2. वर्ग AB
  3. वर्ग B
  4. वर्ग A

Answer (Detailed Solution Below)

Option 4 : वर्ग A
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  • वह ट्रांजिस्टर प्रवर्धक जिसमें संग्राहक धारा AC सिग्नल के पूरे चक्र के लिए प्रवाहित होती है, वर्ग A प्रवर्धक कहलाता है।
  • वह ट्रांजिस्टर प्रवर्धक जिसमें संग्राहक धारा AC सिग्नल के अर्ध चक्र के लिए प्रवाहित होती है, वर्ग B प्रवर्धक कहलाता है।
  • वह ट्रांजिस्टर प्रवर्धक जिसमें संग्राहक धारा AC सिग्नल के अर्ध चक्र से कम के लिए प्रवाहित होती है, वर्ग प्रवर्धक कहलाता है।
  •  

    शक्ति प्रवर्धक

    चालन कोण

    अधिकतम दक्षता

    योग्यता का आंकड़ा

    वर्ग A

    360°

    50%

    2

    वर्ग B

    180°

    78.5%

    0.4

    वर्ग AB

    180° - 360°

    50 – 78.5%

    0.4 – 2

    वर्ग C

    < 180°

    ≥ 90°

    < 0.25

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