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how to find the least count of voltmeter and ammeter ?

Asked by Usha S Ram(SREE AYYAPPA EDUCATION CENTRE) , on 4/6/12


Least count of a measuring instrument is the least value of physical quantity that can be measured accurately using the instrument. 

For example, Take a simple scale (length measuring instrument) of 15 cm. In this scale, you can see that the 1 cm is divided into 10 equal parts. Therefore, the least value it can measure is 1cm/10=0.1cm or 1mm which is least count of this instrument.

Posted by on 5/6/12

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