एक SCR में निम्न में से क्या शामिल हैं?

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ALP CBT 2 Electrician Official Paper (Held On: 23 Jan 2019 Shift 3)
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  1. तीन PN जंक्शन
  2. एक PN जंक्शन
  3. दो PN जंक्शन
  4. कोई PN जंक्शन नहीं

Answer (Detailed Solution Below)

Option 1 : तीन PN जंक्शन
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Detailed Solution

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  • सिलिकॉन नियंत्रित दिष्टकारी (SCR) में अर्धचालकों की चार परतें होती हैं, जो NPNP या PNPN संरचनाओं का निर्माण करती हैं,
  • SCR में J1, J2 और J3 लेबल की गई P-N संधियाँ और तीन टर्मिनल होते हैं।

F1 S.B Madhu 05.02.20 D1       F1 S.B Madhu 05.02.20 D2

एक SCR का एनोड टर्मिनल एक PNPN संरचना के p-प्रकार के पदार्थ से जुड़ा होता है, और कैथोड टर्मिनल n-प्रकार के परत से जुड़ा होता है, जबकि SCR का गेट कैथोड के निकटतम p-प्रकार के पदार्थ से जुड़ा होता है।

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