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Question

A conductor with rectangular cross-section having dimensions a × 2a × 4a as shown in figure. If the resistance across AB is R1, across CD is R2 and across EF is R3, then the ratio R1 : R2 : R3 is

चित्र में विमाओं a × 2a × 4a वाला आयताकार अनुप्रस्थ-काट का एक चालक दर्शाया गया है। यदि AB के सिरों पर प्रतिरोध R1 है, CD के सिरों पर प्रतिरोध R2 है तथा EF के सिरों पर प्रतिरोध R3 है, तब अनुपात R1 : R2 : R3 है


A
8 : 1 : 4
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B
16 : 1 : 4
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C
4 : 1 : 12
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D
1 : 1 : 1
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