In an experiment to find out the diameter of wire using screw gauge, the following observation were
Text Solution
Verified by ExpertsThe correct answer is:
C
MSR = 25 mm
CSR =45x 
mm = 0 45
Diameter reading = MSR + CSR - zero error
= 2.5 + 0.45 - (-0.03)
= 2.98 mm
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