CBSE Class 10 Science 2016 Term 1 Paper

© examsiri.com
Question : 35 of 36
 
Marks: +1, -0
Find the least count of a milliammeter in which there are 20 divisions between 400 mA and 500mA marks.
Solution:
Least count = Range No. of division
=500−40020=10020=5mA
© examsiri.com
Go to Question: