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Usha S Ram from SREE AYYAPPA EDUCATION CENTRE, asked a question
Subject: Science , asked on 4/6/12

how to find the least count of voltmeter and ammeter ?


kranav.sharma... , Meritnation Expert added an answer, on 5/6/12

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.

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