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Question
Explain the meaning of the term 'least count of an instrument' by taking a suitable example.
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Solution
The least count of an instrument is the smallest measurement that can be taken accurately with it. For example, if an ammeter has 5 divisions between the marks 0 and 1A, then its least count is 1/5 = 0.2 A or it can measure current up to the value 0.2 accurately.
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