What is negative zero error in a vernier? How is it calculated?
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To calculate negative zero error, multiply the coinciding division with least count of vernier calipers
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Negative zero error - Vernier Caliper
Explanation:
Negative zero error refers to the case when the jaws of the vernier caliper are just closed and the reading is a negative reading away from the actual reading of 0.00 mm. If the reading is 0.08 mm, the zero error is referred to as +0.08 mm. In other words, if the zero of the vernier caliper crosses the zero of main scale it is called positive zero reading and when it stops before the zero of main scale it is called negative zero reading.
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