जेव्हा डायोड विद्युतवाही अवस्थेमधून अवरोधन अवस्थेमध्ये स्विच करत असतो, तेव्हा त्यात विद्युत प्रभार साठवलेला असतो ज्याला आधी विद्युतविमोचन करणे आवश्यक असते, ते उलटा विद्युत प्रवाह खंड करते, या वेळेला _______ म्हणून ओळखले जाते.

This question was previously asked in
RRB ALP Electronics Mechanic 23 Jan 2019 Official Paper (Shift 3)
View all RRB ALP Papers >
  1. अग्रेषित पुनर्प्राप्ती वेळ
  2. उलट पुनर्प्राप्ती वेळ
  3. अग्रेषित संवहन वेळ
  4. उलट संवहन वेळ

Answer (Detailed Solution Below)

Option 2 : उलट पुनर्प्राप्ती वेळ
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Detailed Solution

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संकल्पना:

  • डायोडचा पुनर्प्राप्ती वेळ हा एक वेळ मध्यांतर आहे ज्यामध्ये डायोड त्याची अवस्था अग्र अभिनति वरून उलट अभिनति आणि उलटपक्षी बदलतो.
  • उच्च-वारंवारता सिग्नलसाठी, पुनर्प्राप्ती वेळ शक्य तितका लहान असावा जेणेकरून डायोड योग्य स्विचिंग ऑपरेशन राखण्यासाठी सिग्नल सहजतेने दुरुस्त करू शकेल.
  • उच्च-वारंवारता सिग्नलचा कालावधी कमी असल्याने, डायोडची पुनर्प्राप्ती वेळ लहान असणे आवश्यक आहे.
  • म्हणून, डायोडची स्विचिंग वारंवारता उलट पुनर्प्राप्ती वेळेवर अवलंबून असते.

Additional Information

जेथे, IF = V च्या धनात्मक अर्ध्या दरम्यान अग्रेषित विद्युत प्रवाह 

IR = V च्या ऋणात्मक अर्ध्या दरम्यान उलट विद्युत प्रवाह

जेथे, tr = पुनर्प्राप्ती वेळ

ts = स्टोरेज वेळ

tt = क्षणिक वेळ

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