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प्रश्न
Two wires of A and B with circular cross-section are made up of the same material with equal lengths. Suppose RA = 3RB, then what is the ratio of radius of wire A to that of B?
विकल्प
3
`sqrt3`
`1/sqrt3`
`1/3`
MCQ
उत्तर
`1/sqrt3`
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