New Enroll in RBI Grade B New Batch - Starts on May 21

Question

A wire of a given material has length ‘I’ and

resistance ‘R’. Another wire of the same material having three times the length and twice the area of cross-section will have a resistance equal to:

A 3R

B (1/2)R

C (2/3)R

D (3/2)R

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Relevant for Exams:

Railway Group D Recruitment