Q. Which of the following is used to measure the diameter of a wire accurately?

किसी तार के व्यास को सटीक रूप से मापने के लिए निम्नलिखित में से किसका उपयोग किया जाता है?

A
Meter scale
मीटर स्केल
B
Screw gauge
पेंच गेज
C
Vernier caliper
वर्नियर कैलिपर
D
Protractor
चांदा

Explanation

A screw gauge (micrometer) is ideal for measuring very small diameters, such as those of wires, with high precision.

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