Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2026 Crash Course
NEET 2026 Crash Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
128 views
in Physics by (91.3k points)
closed by
100 ओम प्रतिरोध वाले धारामापी में 1 मिली ऐम्पियर तक तक की धारा बह सकती है इसे 20 वोल्ट तक नापने वाले वोल्टमीटर में बदलने के लिए क्या व्यवस्था करनी पड़ेगी ?

1 Answer

0 votes
by (90.7k points)
selected by
 
Best answer
माना कि R ओम प्रतिरोध का तार कुंडली के साथ श्रेणी क्रम में जोड़ा जाता है |
दिया है : `I_(2)=1` मिली ऐम्पियर `=(1)/(1000)` ऐम्पियर, `V=20` वोल्ट, `G=100` ओम
सूत्र : `R=(V)/(I_(g))-G` में मान रखने पर,
`R=(20)/(1//1000)=100`
`=20000-100`
`19900` ओम |

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...