Q. If area of cross-section doubles, resistance becomes

यदि अनुप्रस्थ काट का क्षेत्रफल दोगुना हो जाता है, तो प्रतिरोध बन जाता है

Halved
आधी

Doubled
दोगुनी

Four times
चार बार

Same
वही

From the formula:

R = \rho \frac{L}{A}

If $A$ doubles, $R$ becomes half its original value.

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