A voltmeter has a least count of 0.05 volt. While doing ohms law experiment a student observed t...

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A voltmeter has a least count of 0.05 volt. While doing ohms law experiment a student observed that the pointer of the voltmeter coincides with 18 th division. The observed reading is:
a. \( 0.009 \mathrm{~V} \)
b. \( 0.009 \mathrm{~V} \)
c. \( 9 \mathrm{~V} \)
d. \( 0.9 \mathrm{~V} \)
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