यदि तांबे के तार को दो गुना बढ़ा दिया जाये, तो उसका प्रतिरोध हो जायेगा? - Study24x7
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18 Jan 2020 03:29 PM study24x7 study24x7

यदि तांबे के तार को दो गुना बढ़ा दिया जाये, तो उसका प्रतिरोध हो जायेगा?

A

चार गुना

B

 एक-चौथाई

C

दोगुना

D

आधा

study24x7
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