कोणत्या प्रकारच्या शक्ती प्रवर्धकामध्ये आदान संकेताच्या संपूर्ण चक्रासाठी निष्पादित विद्युतप्रवाह प्रवाहित होतो?

This question was previously asked in
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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Detailed Solution

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  • ट्रान्झिस्टर प्रवर्धक, ज्यामध्ये आदान प्रत्यावर्ती धारा संकेताच्या संपूर्ण चक्रासाठी संग्राही प्रवाह प्रवाहित होतो त्याला वर्ग A प्रवर्धक म्हणतात.
  • ट्रान्झिस्टर प्रवर्धक, ज्यामध्ये प्रत्यावर्ती धारा  संकेताच्या अर्ध्या चक्रासाठी संग्राही प्रवाह प्रवाहित होतो त्याला वर्ग B प्रवर्धक म्हणतात.
  • ट्रान्झिस्टर प्रवर्धक, ज्यामध्ये संग्राही  प्रवाह प्रत्यावर्ती धारा संकेताच्या अर्ध्या चक्रापेक्षा कमी प्रवाहित होतो त्याला वर्ग C प्रवर्धक म्हणतात.

 

शक्ती प्रवर्धक

संवाहक कोन

कमाल कार्यक्षमता

गुणवत्तेचा आकडा

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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