Question
Download Solution PDFखालीलपैकी कोणता लोहचुंबकीय पदार्थ आहे?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFलोहचुंबकीय पदार्थ: ज्या पदार्थांना बाह्य चुंबकीय क्षेत्रामध्ये लागू केलेल्या क्षेत्राच्या त्याच दिशेने ठेवल्यास ते जास्त प्रमाणात चुंबकीय गुणधर्म दर्शवतात त्यांना लोहचुंबकीय पदार्थ म्हणतात.
उदाहरण: लोह, निकेल, कोबाल्ट
गुणधर्म:
- हे चुंबकीय द्विध्रुवांच्या समांतर संरेखनाद्वारे वैशिष्ट्यीकृत आहेत
- हे पदार्थ चुंबकाद्वारे जास्त आकर्षित होतात
- हे लागू केलेल्या चुंबकीय क्षेत्राच्या दिशेने मजबूत चुंबकीकरण विकसित करते
- चुंबकीय क्षेत्र काढून टाकल्याने, ते त्याचे चुंबकीकरण गुणधर्म गमावत नाही
- चुंबकीय संवेदनशीलता 1 पेक्षा जास्त असते
- सापेक्ष पारगम्यता 1 पेक्षा जास्त असते
- मोकळ्या जागेच्या तुलनेत चुंबकीय पारगम्यता खूप जास्त असते
साहित्य |
चुंबकीय संवेदनशीलता (Xm) |
सापेक्ष पारगम्यता (Km = 1 + Xm) |
चुंबकीय पारगम्यता (μm = Kmμ0) |
विषम चुंबकीय |
-10-5 to -10-9 |
|
μm μ0 |
अणुचुंबकीय |
10-5 to 10-3 |
> 1 |
μm > μ0 |
लोहचुंबकीय |
≫ 1 |
≫ 1 |
μm ≫ μ0 |
Last updated on Jun 11, 2025
-> The RRB NTPC Admit Card 2025 has been released on 1st June 2025 on the official website.
-> The UPSC Prelims Result 2025 and UPSC IFS Result 2025 has been released @upsc.gov.in
-> 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.
-> 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