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Wht is the least count of the volt meter and ammter

Posted by Nahar Baruah 5 years, 8 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 8 months ago

Least count of ammeter:
The smallest value of current that can be measured
For example:Let us calculate Least count of ammeter- 0-300mA
Least count=range of ammeter divided by number of division
Refer attachment 1:for ammeter picture
Small divisions=30
suppose there are 30 division then, least count is
=300/30=10mA
Least count of Voltmeter:
For example let us calculate least count of Voltmeter 0-15volts.
Please refer to Attachment2 for voltmeter picture
Main division 15
sub division 30
least count=15/30
=1/2=0.5
Least count of this voltmeter is 0.5

0Thank You

ANSWER

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CBSE > Class 10 > Science