PNP प्रेषरोधकामध्ये,पाया ___________ सामग्रीचा असतो.

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RRB ALP Instrument Mechanic 23 Jan 2019 Official Paper (Shift 1)
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  1. N
  2. Y
  3. X
  4. P

Answer (Detailed Solution Below)

Option 1 : N
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योग्य पर्याय 1 आहे

संकल्पना:

PNP या संक्षेपाप्रमाणे, ते प्रेषरोधकामधील थरांचा क्रम दर्शविते.प्रेषरोधक दोन "P" प्रकारच्या सामग्रीपासून बनलेले आहे जे "N" प्रकारच्या सामग्रीद्वारे वेगळे केले जाते.

PNP प्रेषरोधकामध्ये, पहिला आणि तिसरा स्तर ("P" स्तर) p-प्रकार अर्धसंवाहक सामग्री आहे आणि मधला स्तर ("N" स्तर) n-प्रकारचा अर्धसंवाहक साहित्य आहे.

तर,PNP प्रेषरोधकामधील थर P-प्रकार (उत्सर्जक) - N-प्रकार(पाया) - P-प्रकार(संग्रहका) वर जातात. म्हणून, PNP प्रेषरोधकामधील पाया सामग्री N-प्रकार अर्धसंवाहक सामग्री आहे. म्हणून पर्याय 1) N योग्य आहे.

PNP:

PNP प्रेषरोधकासाठी, जेव्हा उत्सर्जक-पाया संधिस्थान अग्र-अभिनिती असते, तेव्हा उत्सर्जकामधून छिद्रे पायाकडे वाहू लागतात. बाणाची दिशा देखील तेच दर्शवतात. 

Additional Information
NPN :

NPN प्रेषरोधकासाठी,जेव्हा उत्सर्जक-पाया अग्र -अभिनिती असतो, तेव्हा पाया (P-प्रकार) पासून छिद्र उत्सर्जक बाजूकडे (N-प्रकार) वाहू लागतात आणि इलेक्ट्रॉन उत्सर्जकापासून पायाकडे वाहू लागतात.तथापि,छिद्र प्रवाहाची दिशा दर्शवते.

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