Asked: M.P.P.C.S. (Pre) 1993medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
चालक की वैद्युत प्रतिरोधकता की इकाई है—
The unit of electrical resistivity of a conductor is—
SELECT CORRECT OPTION:
A
फराद
Farad
B
वोल्ट
Volt
C
एम्पियर
Ampere
D
ओम-मीटर
Ohm-meter
Correct
Official Solution & Explanation:
Correct Answer: Option D(ओम-मीटर)
किसी पदार्थ की वैद्युत प्रतिरोधकता (Electrical Resistivity, $\rho = R \frac{A}{l}$) की SI इकाई 'ओम-मीटर' ($\Omega\cdot\text{m}$) होती है। प्रश्नकाल में विकल्पों में ओम-मीटर न होने के कारण मूल्यांकन से बाहर रखा गया था, यद्यपि सही मात्रक ओम-मीटर है।
The SI unit of electrical resistivity of a material ($\rho = R \frac{A}{l}$) is 'Ohm-meter' ($\Omega\cdot\text{m}$). In the original examination options, ohm-meter was absent, hence it was treated as disputed, though the scientifically correct unit is Ohm-meter.
Subject: General Science•Topic: Units and Dimensions•Subtopic: Units and Dimensions
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