Question
Download Solution PDFLED is a _______ junction diode that emits light when activated.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF- एक प्रकाश-उत्सर्जक डायोड (LED) वह अर्धचालक प्रकाश स्रोत होता है जो इसके माध्यम से धारा के प्रवाहित होने पर प्रकाश उत्सर्जित करता है।
- एक LED का अग्रगामी वोल्टेज, VF , वह वोल्टेज है जिसे LED को चालू करने के लिए, एनोड से कैथोड तक, LED के लीड पर लागू किया जाना चाहिए।
- आमतौर पर, एक LED का अग्रगामी वोल्टेज 1.8 और 3.3 वोल्ट के बीच होता है।
- यह LED के रंग से भिन्न होता है।
- एक लाल LED का आमतौर पर लगभग 1.7 से 2.0 वोल्ट तक पतन होता है।
- चूंकि बैंड-अन्तराल के साथ वोल्टेज पात और लाइट आवृत्ति दोनों बढ़ती हैं।
- एक नीली LED का लगभग 3 से 3.3 वोल्ट तक पतन होता है।
Last updated on Jul 5, 2025
-> RRB ALP CBT 2 Result 2025 has been released on 1st July at rrb.digialm.com.
-> RRB ALP Exam Date OUT. Railway Recruitment Board has scheduled the RRB ALP Computer-based exam for 15th July 2025. Candidates can check out the Exam schedule PDF in the article.
-> Railway Recruitment Board activated the RRB ALP application form 2025 correction link, candidates can make the correction in the application form till 31st May 2025.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> Bihar Home Guard Result 2025 has been released on the official website.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The official RRB ALP Recruitment 2025 provides an overview of the vacancy, exam date, selection process, eligibility criteria and many more.
->The candidates must have passed 10th with ITI or Diploma to be eligible for this post.
->The RRB Assistant Loco Pilot selection process comprises CBT I, CBT II, Computer Based Aptitude Test (CBAT), Document Verification, and Medical Examination.
-> This year, lakhs of aspiring candidates will take part in the recruitment process for this opportunity in Indian Railways.
-> Serious aspirants should prepare for the exam with RRB ALP Previous Year Papers.
-> Attempt RRB ALP GK & Reasoning Free Mock Tests and RRB ALP Current Affairs Free Mock Tests here